Limit values (LV) for the protection of health
| Pollutant | Averaging interval |
Assessment threshold [μg.m-3] | Limit value [μg.m-3] LV |
|
| Lower LAT |
Upper UAT |
|||
| SO2 | 1 hour | — | — | 350 max. 24x/year |
| 24 hours | 50 max. 3x/year |
75 max. 3x/year |
125 max. 3x/year |
|
| NO2 | 1 hour | 100 max. 18x/year |
140 max. 18x/year |
200 max. 18x/year |
| calendar year | 26 | 32 | 40 | |
| CO | max. daily 8-h running average |
5 000 | 7 000 | 10 000 |
| Benzene | calendar year | 2 | 3.5 | 5 |
| PM10 | 24 hours | 25 max. 35/year |
35 max. 35x/year |
50 max. 35x/year |
| calendar year | 20 | 28 | 40 | |
| PM2.5 | calendar year | 12 | 17 | 25 |
| Pb | calendar year | 0.25 | 0.35 | 0.5 |
| As | calendar year | 0.0024 | 0.0036 | 0.006 |
| Cd | calendar year | 0.002 | 0.003 | 0.005 |
| Ni | calendar year | 0.010 | 0.014 | 0.020 |
| Benzo(a)pyrene | calendar year | 0.0004 | 0.0006 | 0.001 |
| O3 | max. daily 8-h running average |
— | — | 120, 25x in 3-year average |
Long-term objectives for the protection of health
| Pollutant | Averaging interval |
Long-term objective [μg.m-3] |
| O3 | max. daily 8-h running average |
120 |