Pollutant | Concentration | Averaging period | Legal nature | Permitted exceedences each year |
Fine articles (PM2.5) | 25 µg/m3*** | 1 year | Target value enters into force 1.1.2010
Limit value enters into force 1.1.2015 | n/a |
| | | | |
Sulphur dioxide (SO2) | 350 µg/m3 | 1 hour | Limit value enters into force 1.1.2005 | 24 |
125 µg/m3 | 24 hours | Limit value enters into force 1.1.2005 | 3 |
Nitrogen dioxide (NO2) | 200 µg/m3 | 1 hour | Limit value enters into force 1.1.2010 | 18 |
40 µg/m3 | 1 year | Limit value enters into force 1.1.2010* | n/a |
PM10 | 50 µg/m3 | 24 hours | Limit value enters into force 1.1.2005** | 35 |
40 µg/m3 | 1 year | Limit value enters into force 1.1.2005** | n/a |
Lead (Pb) | 0.5 µg/m3 | 1 year | Limit value enters into force 1.1.2005 (or 1.1.2010 in the immediate vicinity of specific, notified industrial sources; and a 1.0 µg/m3 limit value applies from 1.1.2005 to 31.12.2009) | n/a |
Carbon monoxide (CO) | 10 mg/m3 | Maximum daily 8 hour mean | Limit value enters into force 1.1.2005 | n/a |
Benzene | 5 µg/m3 | 1 year | Limit value enters into force 1.1.2010** | n/a |
Ozone | 120 µg/m3 | Maximum daily 8 hour mean | Target value enters into force 1.1.2010 | 25 days averaged over 3 years |
Arsenic (As) | 6 ng/m3 | 1 year | Target value enters into force 1.1.2012 | n/a |
Cadmium (Cd) | 5 ng/m3 | 1 year | Target value enters into force 1.1.2012 | n/a |
Nickel (Ni) | 20 ng/m3 | 1 year | Target value enters into force 1.1.2012 | n/a |
Polycyclic Aromatic Hydrocarbons | 1 ng/m3
(expressed as concentration of Benzo(a)pyrene) | 1 year | Target value enters into force 1.1.2012 | n/a |