section 1 of this regulation are notified
1. on the basis of Chapter 5. section 1 of the environmental code in terms of §§ 8-25,
2. on the basis of Chapter 5. section 7 of the environmental code in terms of 32 to 36, 45 and 47 § §,
3. on the basis of Chapter 5. section 9 of the Environment Act in respect of the 26, 27, 30, 38, 43, 44 and 49 sections, and
4. Moreover, pursuant to Chapter 8. section 7 of the Constitution.
Regulation (2013:123).
Definitions
paragraph 2 of this regulation,
air quality directive: European Parliament and Council directive
2008/50/EC of 21 May 2008 on ambient air quality and cleaner air for
Europe, and
the directive on metals and PAHS in the air: European Parliament and
Council Directive 2004/107/EC of 15 december 2004 relating to arsenic,
cadmium, mercury, nickel and polycyclic aromatic
hydrocarbons in ambient air, as last amended by European Parliament and
Council Regulation (EC) No 219/2009.
section 3 with the outside air for the purposes of this regulation, the outside air with
excluding workplaces as well as underpasses and tunnels
rail transport.
4 section With agglomeration for the purposes of this regulation, urban areas
with
1. a population with more than 250 000 inhabitants,
or
2. a population density per km2, it is
justified to evaluate and monitor air quality, if
the population concentration is 250 000 inhabitants.
paragraph 5 of this regulation,
PM10: particles not larger than that they can pass through
a size-selective inlet with a 50% efficiency cut-off at
particles with an aerodynamic diameter of 10 micrometers, and
PM2.5: particles not larger than that they can pass through
a size-selective inlet with a 50% efficiency cut-off at
particles with an aerodynamic diameter of 2.5 microns.
section 6, for the purposes of this regulation,
information threshold: the limit value laid down in annex
2, when a subject concentration in outdoor air is so high that a
short term exposure poses a risk to the health of particular
sensitive groups of the population, and
alert threshold: the limit value laid down in annex 2, then
a concentration in outdoor air is so high that a
short term exposure poses a risk to human health.
section 7 With eight-hour average value referred to in this regulation a
average calculated for one day by a
eight-hour average is determined for each hour. Each
eight-hour average is determined as the average of the last eight
hours of measured values. Day value is determined as the higher of
the day appointed twenty-four 8-hour averages. The
the first eight-hour average is from 17.00
the preceding day to clock 1.00 the current
a day and the last eight hours of the average elapsed from
at 16:00 of the current day to 24:00 hrs of the same day.
Environmental quality standards
section 8 of the environmental quality standards in the 10 to 14, 17 and 18 sections, 19 § 2, section 20
first paragraph 1 and section 25 indicates levels of pollution which, under 5
Cape. 2 paragraph 1 environmental code may not be exceeded. If
as noted in the norm, each exceeding the
pollution levels regarded as the norm.
§ 9 the environmental quality standards in paragraphs 15 and 16, 19 § 1, section 20 of the first
paragraph 2, as well as 21 to 24 § § set pollution levels according to Chapter 5. 2
paragraph 2 the environmental code. When in standard States that a
the pollution level should not be exceeded, or that there should
pursued to a pollution level is not exceeded, one will
exceeding pollution levels is considered to mean that the norm is not
followed only if the overrun is due to
1. activities or measures are long-term and significant
extent counteracts the possibility not to exceed
pollution levels, and
2. reasonable measures are not taken to avoid
pollution levels are exceeded.
Nitrogen dioxide and oxides of nitrogen
10 § to protect human health, nitrogen dioxide no
be present in outdoor air with more than
1. an average of 90 micrograms per cubic meter of air for one hour
(hourly average),
2. an average of 60 micrograms per cubic meter of air in 24 hours
(daily average value), and
3. an average of 40 micrograms per cubic meter of air during a
calendar year (annual mean).
The value specified in the first paragraph may be exceeded 175
times per calendar year, provided that the pollution levels never
more than 200 micrograms per cubic meter of air for one hour more
than 18 times per calendar year.
The value specified in the first subparagraph 2 may be exceeded 7 times
per calendar year.
section 11 to protect vegetation, oxides of nitrogen, in areas where
There are at least 20 kilometers to the nearest agglomerations or 5
kilometers to another built-up area, industrial plant
or highway, instead of what is said in paragraph 10, does not
be present in outdoor air with more than an average of 30 micrograms per
cubic meter of air over a calendar year (annual mean).
Sulphur dioxide
section 12 in order to protect human health, the sulphur dioxide is not
be present in outdoor air with more than
1. an average of 200 micrograms per cubic meter of air for one hour
(hourly average), and
2. an average of 100 micrograms per cubic meter of air in 24 hours
(daily average value).
The value specified in the first paragraph may be exceeded 175
times per calendar year, provided that the pollution levels never
more than 350 micrograms per cubic meter of air for one hour more
than 24 times a calendar year.
The value specified in the first subparagraph 2 may be exceeded 7 times
per calendar year, provided that the pollution levels never exceed
125 micrograms per cubic meter of air for more than 3 times per
calendar year.
section 13 to protect vegetation, sulphur dioxide, in areas where
There are at least 20 kilometers to the nearest agglomerations or 5
kilometers to another built-up area, industrial plant
or highway, instead of what is stated in section 12, do not
be present in outdoor air with more than
1. an average of 20 micrograms per cubic meter of air during the period
1 October to 31 March (winter mean), and
2. an average of 20 micrograms per cubic meter of air during a
calendar year (annual mean).
Carbon monoxide
section 14 in order to protect human health, carbon monoxide is not
be present in outdoor air with more than 10 milligrams per cubic meter
air as maximum eight-hour average for one day.
Ozone
section 15, in order to protect human health and to the extent that
It is possible to take account of how ozone precursor substances
transported in the air to form ozone, it sought to
Ozone is not present in outdoor air with more than 120 micrograms per
cubic meter of air as maximum eight-hour average for one day.
16 § to protect vegetation and to the extent that it
is possible in view of the ozone precursors are transported
in the air to form ozone, the ozone will not be made to
present in outdoor air
1. until 31 december 2019 with more than 18 000 mcg
calculated according to the exposure index AOT 40 and particularly as a
average value over a period of five years,
2. as from 1 January 2020 by more than 6 000 mcg
calculated according to the exposure index AOT 40.
If because of incomplete information, it is not possible to
determine the annual values for a period of five years, the value
referred to in the first subparagraph of paragraph 1 shall be determined as an average value
over a period of three years.
Exposure index AOT 40 is expressed in micrograms per cubic meter of air
for a certain time period and refers to the value for summarized
exceedences of a certain content of ozone. Exposure index AOT 40
is calculated as follows. During the period from 1 may
to 31 July each year, for each hour between
at 8.00 and 20.00 determined an hourly mean
ozone concentrations. Each hourly mean value is determined as the difference between
the concentration of ozone in excess of 80 micrograms per
cubic meter of air and 80 micrograms per cubic meter of air.
The differences are summed up first for every day and then to a
total for the entire period.
Benzene
section 17 to protect human health, benzene does not occur in
outside air with more than an average of 5 micrograms per cubic metre
air in a calendar year (annual mean).
Particulate Matter (PM10)
section 18 Of the protection of human health, particulate matter (PM10) are not
be present in outdoor air with more than
1. an average of 50 micrograms per cubic meter of air in 24 hours
(daily average value), and
2. an average of 40 micrograms per cubic meter of air during a
calendar year (annual mean).
The value specified in the first paragraph may be exceeded 35 times
per calendar year.
Particles (PM2.5)
§ 19 in order to protect human health
1. should it be pursued to particulate matter (PM2.5) until
31 december 2014, not present in outdoor air with more than
an average of 25 micrograms per cubic meter of air over a calendar year
(annual average),
2. get particles (PM2.5) as from 1 January 2015 do not
be present in outdoor air with more than an average of 25 micrograms per
cubic meter of air over a calendar year (annual mean).
section 20 Of the protection of human health
1. the national level for the average exposure
on the population of particulate matter (PM2.5) as from 1 January
2015 do not exceed 20 micrograms per cubic meter of air,
2. There shall be made to the national level of the
average exposure on the population of particulate matter (PM2.5)
as from 1 January 2020, the percentage has been reduced in
accordance with Annex B to the directive on air quality.
The national level of the average exposure at
the population of particulate matter (PM2.5) should be based on the total
the mean concentration of particulate matter (PM2.5) in urban
background sites over a three-year period in accordance with annex XIV
A to the directive on air quality.
Benzo (a) pyrene
section 21 in order to protect human health, it should be pursued to
benzo (a) pyrene is not present in outdoor air with more than
an average of 1 nanogram per cubic meter of air, calculated at
the sampling and measurement of PM10 in a calendar year
(annual average). Regulation (2013:123).
Arsenic
section 22 in order to protect human health, it should be pursued to
Arsenic is not present in outdoor air with more than average
6 nanograms per cubic meter of air, measured at the sampling and
measurement of PM10 over a calendar year (annual mean).
Regulation (2013:123).
Cadmium
section 23 in order to protect human health, it should be pursued to
cadmium is not present in outdoor air with more than average
5 nanograms per cubic meter of air, measured at the sampling and
measurement of PM10 over a calendar year (annual mean).
Regulation (2013:123).
Nickel
section 24 Of the protection of human health, it should be pursued to
nickel is not present in outdoor air with more than average
20 nanograms per cubic meter of air, measured at the sampling and
measurement of PM10 over a calendar year (annual mean).
Regulation (2013:123).
Lead
section 25 to protect human health, the lead does not appear in the
outside air with more than average 0.5 micrograms per cubic meter
air, calculated at the sampling and measurement of PM10 during a
calendar year (annual mean).
Control of air quality
section 26 of Every municipality shall ensure that the environmental quality standards
in the 10, 12, 14, 17-19 and 21-25 sections are followed within the municipality.
The check may be carried out through collaboration between several municipalities.
The verification shall be done by measurements, calculations, or
estimation, through analyses and reports and
reporting.
If the control is done through measurements, it shall be
1. in the areas and on the places where it is likely to
the population is exposed to the highest concentrations, and
2. in the areas and sites that are representative of
the exposure of the general population.
Regulation (2013:123).
section 27 If previous measurements or calculations of
air quality according to section 26 during a representative period
indicates that the value of an average period
1. exceed the upper assessment threshold as specified in annex 1,
should the control be made by measurement which can be supplemented with
calculation or measurement with lower quality requirements,
2. is below the upper assessment threshold as specified in annex 1,
get control through a combination of measurement and
calculation, or
3. below the lower assessment threshold according to annex
1, the control will be effected by the mere calculation or estimation
or a combination of these methods. Regulation (2013:123).
section 28 of the environmental protection agency should
1. check the presence of nitrogen oxides and sulfur dioxide
According to §§ 11 and 13 in the regional context, in accordance with annex
III A1 and B2 annex III to the directive on air quality,
2. check the presence of ozone, according to §§ 15 and 16 of
accordance with articles 9 to 11 of the directive on air quality,
3. measure particles (PM2.5) in accordance with section 20 of the urban context in
accordance with annex III, annex V (B) and Annex A to
the directive on air quality,
4. establish a national level for the average
the exposure of the population of particulate matter (PM2.5) under section 20
the second subparagraph in accordance with Annex A to
the directive on air quality,
5. measure the particulate matter (PM2.5) in the regional context, in accordance with
Article 6(5) of the directive on air quality,
6. check the contribution of benzo (a) pyrene in ambient air by measuring
other polycyclic aromatic hydrocarbons in regional background in
accordance with article 4.8 of the metals and PAHS in
air,
7. measurement of arsenic, cadmium, nickel, total gaseous mercury,
benzo (a) pyrene and other polycyclic aromatic hydrocarbons in the
regional background in accordance with article 4.9 of the
metals and PAHS in air, and
8. measure the total deposition of arsenic, cadmium, nickel,
Mercury, benzo (a) pyrene and the other polycyclic aromatic
hydrocarbons in the regional context, in accordance with article 4.9 in
the directive on metals and PAHS in the air.
section 29 of the environmental protection agency must designate the zones and agglomerations which are
required as a result of
1. Article 4 of the directive on air quality, and
2. Article 3 of the directive on metals and PAHS in the air.
section 30 on the verification in accordance with §§ 26 and 27 show that a
pollution level specified in the environmental quality standards can be adopted
likely to be exceeded in a municipality, the municipality shall immediately
notify the environmental protection agency and the relevant county administrative boards.
30 a of the environmental protection agency should notify the Government about the work
considers that the limit values for nitrogen dioxide, as referred to in
Article 22(1) of the directive on air quality will not be able to
followed within the time limits laid down in article intended a zone
or in an agglomeration that the piece has appointed under section 29.
The notification shall include the information needed to
the Government will be able to assess if article 22(1) of
air quality directive is applicable. Regulation (2013:123).
Action program
section 31 of the environmental protection agency to examine the need for a
Programme of action in accordance with Chapter 5. the environmental code
1. following notification under section 30, or
2. If the inspection referred to in section 28 of 1, 2 or 3 shows that a
pollution level specified in the environmental quality standards can be adopted
likely to be exceeded.
If Epa finds that an action plan is needed,
the work report to the concerned County Councils.
If there are special reasons for it not to be a
the County Administrative Board or the municipality that establishes a proposal for
or establishes a programme of action, in other cases, the
The environmental protection agency report this and the need for programmes of
to the Government.
32 § the State Provincial Office which receives a report pursuant to section 31 of the
the second paragraph, as soon as
1. draw up a proposal for a programme of action, or
2. assign to one or more municipalities to establish a
draft programme of action, whether it is appropriate to make a
such a transfer and the municipalities concerned are in agreement with
the County Government about this.
If the provincial government does not share the environmental protection agency's assessment of the
the need for a programme of action, the County Board shall submit the question
to the Government before the County Board to take any action under
the first paragraph. Such a submission shall contain a
presentation of the County Administrative Board's view on the need for action programmes.
If the County Government cannot come to an agreement with a municipality to
the municipality shall draw up a draft programme of action,
the County Board shall submit the matter to the Government. Such a
the submission should include a description of why it is
appropriate to the municipality draws up the proposal and a statement of the
What has emerged in the deliberations on the matter.
33 § an action programme shall, in addition to those mentioned in Chapter 5. 6 §
the environmental code, contain information about the
1. where an exceedance of an EQs occurred,
2. the affected area's type, size, weather conditions and
protected object,
3. type of air pollution and how it has been found,
4. the origin,
5. the analysis of the situation that has been made,
6. completed remediation measures and their effects,
7. ongoing improvement actions, and
8. publications or other documents that supplement
information according to 1-7.
34 § where appropriate, an action programme should be coordinated with
action programme in the field of other environmental quality standards and with software
that have been developed or to be developed in accordance with the regulation
(2003:65) on national emission ceilings.
35 § The who established a draft programme of action should in
consultation in accordance with Chapter 5. the third subparagraph of paragraph 4 of the Environment Act aim
After reaching agreement with the relevant authorities and
local authorities on the measures that the authorities or municipalities
will need to take under the program.
36 § When the consultation referred to in Chapter 5. section 4 of the Swedish environmental code is completed,
the who has drawn up the draft programme of action establish
the application in so far as the relevant authorities and
the municipalities are in agreement. In part, the question of
determine the application submitted to the Government's review.
Information
37 § The who has established an action programme to
1. send a copy of the application to the environmental protection agency and the
other authorities and the municipalities concerned, and
2. free of charge through the internet making information available
to the public and other affected or interested about
the program, on how it is implemented and where the general public can
get regularly updated information on the program and its
implementation.
If a programme has been established by a County Administrative Board, may
the provincial government transfer to one or more municipalities to make
the information referred to in the first subparagraph 2 available for
the public and other affected or interested if it is
appropriate to make such a transfer and the relevant
the municipalities are in agreement with the provincial government about this.
If a programme has been established by the Government,
the Government transfer to the relevant County Administrative Board to make the
information referred to in the first subparagraph 2 available for
the public and other affected or interested.
The County Board may in turn assign the duty to provide information
to one or more municipalities, if the conditions set out
in the second paragraph are met. Regulation (2013:123).
section 38 Municipalities shall, free of charge, through the Internet or other
as appropriate, inform about the concentrations of nitrogen dioxide,
sulphur dioxide, carbon monoxide, particulate matter, benzene, benzo (a) pyrene,
arsenic, cadmium, nickel and lead. The information is always
include information on
1. any exceedances of pollutant levels specified in
environmental quality standards,
2. any exceedances of threshold values for alarm regarding
sulphur dioxide and nitrogen dioxide,
3. the assessment by the municipalities makes in terms of
exceedances, and
4. the possible consequences for human health.
The information referred to in the first subparagraph shall be updated each
day for concentrations of nitrogen dioxide, sulphur dioxide,
carbon monoxide and particulate matter (PM10). If it is possible to
the information is updated once an hour. In the case of benzene and
lead is it sufficient that the information, which should be provided in the form of
an average value for the last 12 months, updated
at least every three months, and if possible once a month.
Information on benzo (a) pyrene, arsenic, cadmium and nickel,
updated at least every 12 months. The information under this
the paragraph should refer to the information as a result of the control
According to §§ 26 and 27 are available for municipalities.
The information should be available to the general public or other
involved or have an interest in it.
§ 39 Swedish environmental protection agency, free of charge, through the Internet or on
other appropriate manner inform about the concentrations of the
pollutants referred to in section 28.
The information should be available to the general public or other
involved or have an interest in it.
According to § § 39 40 Information about the concentration of nitrogen oxides
and sulfur dioxide in the regional context must always contain
details of any effects on vegetation.
According to § § 41 39 Information on concentrations of ozone in ambient air
should always include information on
1. exceeding the levels set out in section 15 and section 16 of the first
subparagraph,
2. exceedances of information thresholds and alarms if
ozone, and
3. the possible consequences for human health and vegetation.
The information is in the specified period are updated every day.
If possible, the information is updated once an hour.
42 § the Swedish environmental protection agency, through the Internet or any other appropriate
ways to develop and provide annual compilations with
information about
1. how the environmental quality standards in compliance with this regulation, and
2. set the action programmes referred to in paragraph 37.
The statements referred to in paragraph 1 shall contain the information
If any exceedances of pollutant levels specified in
environmental quality standards and threshold values for information and
alarm as well as the effects of these exceedances.
The information should be available to the general public or other
involved or have an interest in it.
Alarm
43 § If alert threshold for sulphur dioxide or nitrogen dioxide
exceeded or likely to be exceeded, should the municipality
immediately inform the public, the environmental protection agency, relevant
County administrative boards and the Swedish civil contingencies Agency.
If the threshold for information or alarm about ozone are exceeded
or likely to be exceeded, the Swedish environmental protection agency
immediately inform the public, health and
health care institutions and the Swedish civil
preparedness.
44 § public information according to § 43 shall be done by
Press, radio, tv, the Internet or any other appropriate means.
That information shall include
1. information about the type of threshold has been exceeded,
2. details of the date, time and location of the exceedance,
3. indication of the cause of the overrun, if known,
4. a forecast about the change in concentration;
5. a forecast about the geographical areas concerned;
6. a forecast on the duration of overrun,
7. information on which groups of the population concerned;
particular groups at risk,
8. a description of the possible symptoms,
9. details of how the groups concerned to defend itself,
10. information on where additional information may be obtained, and
11. information on the sectors accounting for the largest emissions
and recommended measures to reduce emissions.
Information about ozone under section 43 shall also include
information on the highest average concentrations for 1 hour and 8
hours.
45 section If there is a risk that the alert threshold for
sulphur dioxide or nitrogen dioxide may be exceeded, the
the municipality set up an action programme of measures in the short
term is needed to reduce the risk of overshoot and that
meets the requirements for an action plan under article 24 of
the directive on air quality.
46 section If there is a risk that the alert threshold for ozone
may be exceeded, the environmental protection agency set up a
Programme of measures in the short term is needed to
reduce the risk of overshoot and that meets the requirements for a
action plan in accordance with article 24 of the directive on air quality.
47 § When a programme established under section 45 or 46,
consultations take place with the Swedish civil contingencies Agency.
Information and reporting to the European Commission's
control
48 § environmental protection agency shall carry out the tasks in question if the
information and reporting to the European Commission that
follow by
1. Article 6(5), 11.2, 19, 23.1 and 27 and annex VI (B). 2 in
the directive on air quality,
2. Article 5 of the directive on metals and PAHS in air, and
3. implementing decisions of 12 december 2011
laying down rules for the European Parliament and of the Council
Directive 2004/107/EC and 2008/50/EC as regards mutual
Exchange of information and reporting of air quality.
Reporting must be in accordance with the geographical classification
The environmental protection agency decides. Regulation (2013:123).
Authorization
49 section environmental protection agency may provide
1. rules relating to the measurement systems used for control
According to §§ 26 and 27 shall be approved by the environmental protection agency,
2. the rules otherwise if sampling and other methods
required for verification in accordance with paragraphs 26 and 27, and
3. the rules on reporting needed to
The environmental protection agency to carry out the
reporting obligations referred to in section 48.
Regulations referred to in the first subparagraph 1 and 2, the mean
such exceptions to the requirements on the verification in accordance with section 27
should be consistent with the directive on air quality and
necessary to take account of the conditions in a municipality or to
the communes work together on monitoring. Regulation (2013:123).
Annex 1
Assessment thresholds for nitrogen dioxide
The norm for an hourly average value:
Upper threshold: 72 micrograms per cubic meter of air are exceeded more than
175 times in a calendar year.
Lower threshold: 54 micrograms per cubic meter of air are exceeded more
than 175 times in a calendar year.
The norm of daily average value:
Upper threshold: 48 micrograms per cubic meter of air are exceeded more than
7 times in a calendar year.
Lower threshold: 36 micrograms per cubic meter of air are exceeded more
than 7 times in a calendar year.
Standard for annual average:
Upper threshold: 32 micrograms per cubic meter of air.
Lower threshold: 26 micrograms per cubic meter of air.
Assessment thresholds for nitrogen oxides
Standard for annual average:
Upper threshold: 24 micrograms per cubic meter of air.
Lower threshold: 19.5 micrograms per cubic meter of air.
Assessment thresholds for sulphur dioxide, in order to protect human
Health (section 12)
The norm for an hourly average value:
Upper threshold: 150 micrograms per cubic meter of air are exceeded more
than 175 times in a calendar year.
Lower threshold: 100 micrograms per cubic meter of air are exceeded more
than 175 times in a calendar year.
The norm of daily average value:
Upper threshold: 75 micrograms per cubic meter of air are exceeded more than
3 times in a calendar year.
Lower threshold: 50 micrograms per cubic meter of air are exceeded more
than 3 times in a calendar year.
Assessment thresholds for sulphur dioxide to protect the vegetation
(section 13)
Norm for winter average:
Upper threshold: 12 micrograms per cubic meter of air.
Lower threshold: 8 micrograms per cubic meter of air.
Standard for annual average:
Upper threshold: 12 micrograms per cubic meter of air.
Lower threshold: 8 micrograms per cubic meter of air.
Assessment thresholds for carbon monoxide
The norm of daily average value (highest 8-hour mean value):
Upper threshold: 7 milligrams per cubic meter of air.
Lower threshold: 5 milligrams per cubic meter of air.
Assessment thresholds for benzene
Standard for annual average:
Upper threshold: 3.5 micrograms per cubic meter of air.
Lower threshold: 2 micrograms per cubic meter of air.
Assessment thresholds for particulate matter (PM10)
The norm of daily average value:
Upper threshold: 35 micrograms per cubic meter of air are exceeded more than
35 times per calendar year.
Lower threshold: 25 micrograms per cubic meter of air are exceeded more
than 35 times a calendar year.
Standard for annual average:
Upper threshold: 28 micrograms per cubic meter of air.
Lower threshold: 20 micrograms per cubic meter of air.
Assessment thresholds for particulates (PM2, 5)
Standard for annual average:
Upper threshold: 17 micrograms per cubic meter of air.
Lower threshold: 12 micrograms per cubic meter of air.
Assessment thresholds for benzo (a) pyrene
Standard for annual average:
Upper threshold: 0.6 nanograms per cubic meter of air.
Lower threshold: 0.4 nanograms per cubic meter of air.
Assessment thresholds for arsenic
Standard for annual average:
Upper threshold: 3.6 nanograms per cubic meter of air.
Lower threshold: 2.4 nanograms per cubic meter of air.
Assessment thresholds for cadmium
Standard for annual average:
Upper threshold: 3 nanograms per cubic meter of air.
Lower threshold: 2 nanograms per cubic meter of air.
Assessment thresholds for nickel
Standard for annual average:
Upper threshold: 14 nanograms per cubic meter of air.
Lower threshold: 10 nanograms per cubic meter of air.
Assessment thresholds for lead
Standard for annual average:
Upper threshold: 0.35 micrograms per cubic meter of air.
Lower threshold: 0.25 micrograms per cubic meter of air.
Annex 2
Alert threshold for nitrogen dioxide
400 micrograms of NO2 per cubic meter of air averaged
during the three consecutive hours in an area that is
representative of air quality and at least 100 square kilometres
large or in an agglomeration.
Alert threshold for sulphur dioxide
350 micrograms of sulphur dioxide per cubic meter of air as a
average during the three consecutive hours in an area
representative of air quality and at least 100
square kilometres, or in an agglomeration.
Information threshold for ozone
180 micrograms per cubic meter of air averaged over a
hour.
Alert threshold for ozone
240 micrograms per cubic meter of air averaged over a
hour.
