Pollutant

Conc.

Averaging period

Legal nature

Permitted exceedances each year

Fine particles (PM_2.5)

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