Table 1 Synthesis table of the EU-legislation and WHO-proposed AQLV (concentration thresholds (unit: μg/m 3 )/maximum allowed number of exceedances) under consideration
Av.period/Parameter Pollutant | 1 hour | Maximum daily 8-hour mean | 24 hours | Winter (1 October-31 March) | Calendar year |
|---|---|---|---|---|---|
SO2 | 350/24 | 125/3 | 20/0 | 20/0 | |
NO2 | 200/18 | 75/01 | 40/02 30/03 | ||
O3 | 120/254 120/05 | ||||
PM10 | 50/356 50/77 | 40/06 20/07 | |||
PM2.5 | 24/0 | ||||
CO | 10000/0 | ||||
NH3 | 270/01 | 8/01 |