AirWare On-line Reference Manual
| | Release Level | 5.4 |
| | Release Date | 2008 10 |
| Revision Level | 1.0 |
|
Last modified on:
Monday, 20-Jul-09 14:03 CEST
|
Air Quality Standards
AirWare supports any set of user defined air quality standards.
The standard are used for the evaluation of model results
(at simulated monitoring stations) or monitoring data time series
Within the European Union, the standard and thresholds used
for evaluation (analysis of compliance) are defined by:
-
COUNCIL DIRECTIVE 1999/30/EC of 22 April 1999
relating to limit values for sulphur dioxide, nitrogen dioxide and
oxides of nitrogen, particulate matter and lead in ambient air
-
DIRECTIVE 2000/69/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL
of 16 November 2000
relating to limit values for benzene and carbon monoxide in ambient air
-
DIRECTIVE 2002/3/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL
of 12 February 2002
relating to ozone in ambient air
COUNCIL DIRECTIVE 1999/30/EC
of 22 April 1999: relating to limit values for sulphur dioxide, nitrogen dioxide
and oxides of nitrogen, particulate matter and lead in ambient air:
I. Limit values for sulphur dioxide
Limit values must be expressed in µg/m³.
The volume must be standardised at a temperature of 293 °K,
and a pressure of 101,3 kPa.
| Averaging period |
Limit value |
Margin of tolerance |
Date by which limit value is to be met |
| 1. Hourly limit value for the protection of human health |
| 1 hour |
350 µg/m³
not to be exceeded more than 24 times a calendar year |
150 µg/m³ (43 %)
on the entry into force of this Directive, reducing on
1 January 2001 and every 12 months thereafter by equal annual percentages
to reach 0 % by 1 January 2005 |
1 January 2005 |
| 2. Daily limit value for the protection of human health |
| 24 hours |
125 µg/m³
not to be exceeded more than 3 times a calendar year |
None |
1 January 2005 |
| 3. Limit value for the protection of ecosystems |
| Calendar year and winter (1 October to 31 March) |
20 µg/m³ |
None |
19 July 2001 |
II. Limit values for nitrogen dioxide and oxides of nitrogen
Limit values must be expressed in µg/m³.
The volume must be standardised at a temperature of 293 °K
and a pressure of 101,3 kPa.
| Averaging period |
Limit value |
Margin of tolerance |
Date by which limit value is to be met |
| 1. Hourly limit value for the protection of human health |
| 1 hour |
200 µg/m³ NO2
not to be exceeded more than 18 times a calendar year |
50 % on the entry into force of this Directive,
reducing on 1 January 2001 and every 12 months thereafter by equal annual percentages
to reach 0 % by 1 January 2010 |
1 January 2010 |
| 2. Annual limit value for the protection of human health |
| Calendar year |
40 µg/m³ NO2 |
50 % on the entry into force of this Directive, reducing on 1 January 2001 and every 12 months
thereafter by equal annual percentages to reach 0 % by 1 January 2010 |
1 January 2010 |
| 3. Annual limit value for the protection of vegetation |
| Calendar year |
30 µg/m³ NOx |
None |
19 July 2001 |
III. Limit Values for particulate matter (PM10)
| Averaging period |
Limit value |
Margin of tolerance |
Date by which limit value is to be met |
| STAGE 1 |
| 1. 24-hour limit value for the protection of human health |
| 24 hours |
50 µg/m³ PM10,
not to be exceeded more than 35 times a calendar year |
50 % on the entry into force of this Directive, reducing on 1 January 2001
and every 12 months thereafter by equal annual percentages to reach 0 % by 1 January 2005 |
1 January 2005 |
| 2. Annual limit value for the protection of human health |
| Calendar year |
40 µg/m³ PM10 |
20 % on the entry into force of this Directive, reducing on 1 January 2001 and every
12 months thereafter by equal annual percentages to reach 0 % by 1 January 2005 |
1 January 2005 |
| STAGE 2 (1) |
| 1. 24-hour limit value for the protection of human health |
| 24 hours |
50 µg/m³ PM10
not to be exceeded more than 7 times a calendar year |
To be derived from data and to be equivalent to the Stage 1 limit value |
1 January 2010 |
| 2. Annual limit value for the protection of human health |
| Calendar year |
20 µg/m³ PM10 |
50 % on 1 January 2005 reducing every 12 months thereafter by
equal annual percentages to reach 0 % by 1 January 2010 |
1 January 2010 |
(1) Indicative limit values to be reviewed in the light of further
information on health and environmental effects, technical feasibility
and experience in the application of Stage 1 limit values in the Member States.
DIRECTIVE 2000/69/EC
of 16 November 2000
relating to limit values for benzene and carbon monoxide in ambient air
LIMIT VALUE FOR BENZENE
The limit value must be expressed in µg/m³,
standardised at a temperature of 293 °K and a pressure of 101,3 kPa.
| Averaging period |
Limit value |
Margin of tolerance |
Date by which limit value is to be met |
| Limit value for the protection of human health |
| Calendar year
| 5 µg/m³
| 100% on 13 December 2000, reducing on
1 January 2006 and every 12 months thereafter by 1 µg/m³ to reach 0 % by 1 January 2010 |
1 January 2010 (1) |
(1) Except within zones and agglomerations within which a time-limited extension
has been agreed in accordance with Article 3(2).
LIMIT VALUE FOR CARBON MONOXIDE
The limit value must be expressed in mg/m³.
The volume must be standardised at a temperature of 293 °K and a pressure
of 101,3 kPa.
| Averaging period |
Limit value |
Margin of tolerance |
Date by which limit value is to be met |
Limit value for the protection of human health |
| Maximum daily 8-hour mean |
10 mg/m³ |
6 mg/m³
on 13 December, reducing on 1 January 2003 and every 12 months
thereafter by 2 mg/m³ to reach 0 % by 1 January 2005 |
1 January 2005 |
The maximum daily 8-hour mean concentration will be selected by examining
8-hour running averages, calculated from hourly data and updated each hour.
Each 8-hour average so calculated will be assigned to the day on which it ends. i.e.
the first calculation period for any one day will be the period from 17:00 on the previous
day to 01:00 on that day; the last calculation period for any one day will be the period
from 16:00 to 24:00 on that day.
DIRECTIVE 2002/3/EC: OZONE
of 12 February 2002 relating to ozone in ambient air
All values are to be expressed in µg/m³
The volume must be standardised at 293 ° K and 101.3 kPa.
The time is to be specified in Central European Time.
AOT 40 (expressed in µg/m³-hours) means the sum of the difference between hourly
concentrations greater than 80 µg/m³ ( = 40 ppb) and 80µg/m³ over a given period using
only the 1 hour values measured between 09:00 and 20:00 CET each day.
Target values for ozone
| |
Parameter |
Target value for 2010 |
| I. Target value for the protection of human health |
Maximum daily 8-hours mean |
120 µg/m³ not to be exceeded on more than 25 days
per calender year averaged over three years |
| I. Target value for the protection of vegetation |
AOT 40, calculated from 1 h values from May to July |
18,000 µg/m³-h averaged over five years |
Long-term objectives for ozone
| |
Parameter |
Long-term objective |
| I. Long-term objective for the protection of human health |
Maximum daily 8-hours mean within a calender year |
120 µg/m³ |
| I. Long-term objective for the protection of vegetation |
AOT 40, calculated from 1 h values from May to July |
6,000 µg/m³-h |
