Target air values (TV) values and long-term objectives for the protection of health

Pollutant Averaging interval Assessment threshold [μg.m-3] Target air pollution limit value
[μg.m-3]
TV
Date for achieving TV Long-term objective
[μg.m-3]
Upper
UAT
Lower
LAT
O3  max. daily 8-h running average    120  120,
 25x in 3-year average
120
Cd  calendar year  0.002  0.003  0.005  31.12.2012
As  calendar year  0.0024  0.0036  0.006  31.12.2012
Ni  calendar year  0.010  0.014  0.020  31.12.2012
Benzo(a)pyrene  calendar year  0.0004  0.0006  0.001  31.12.2012
PM2.5  calendar year 12 17 25 31.12.2014

The Government Order No. 42/2011 Coll., adopted on 2.2.2011, amending the Government Order No. 597/2006 Coll., on air quality monitoring and assessment, states in its Art. II. – Interim Provisions – that the limit value for PM2,5 must be met by 31.12.2014 and in the meantime it is regarded as the target value.