Information about air quality in the Czech Republic

Information on the level ambient air pollution pursuant the Clean Air Act

Current overview of data from automated stations (non-verified data)

Updated: 2021-10-17 09:55 CEST

Legend

Index Air quality
1A very good to good
1B
2A acceptable
2B
3A aggravated to bad
3B
index not determined
incomplete data

Note

The assessment was carried out on the basis of 1-hour concentrations of SO2, NO2, O3, PM10 and 8-hour avg. CO concentrations; the data are not verified.