Pollutant | Conc. | Averaging period | Legal nature | Permitted exceedances each year |
Fine particles (PM2.5) | 25 µg/m3 | 1 year | target value entered into force 1.1.2010 limit value enters into force 1.1.2015 | n/a |
PM10 | 50 µg/m3 | 24 hours | limit value entered into force 1.1.2005 | 35 |
40 µg/m3 | 1 year | limit value entered into force 1.1.2005 | n/a |