Information about air quality in the Czech Republic

Year: 2021

Preliminary overview of the ambient limits exceedances

calculated of both operational data (yet unverified) and verified data

Updated: 2022-06-30 08:42 CEST

Values given regardless of whether the number of valid measurement meets the criteria for calculating the aggregated data (annual average).

Description Value
Purpose: Health protection
Pollutant: O₃ - ozone
Averaging interval: 8 hours
Unit: µg/m³
Ambient limit: 120
Max. permissible number of exceedances: 25
Owner: ČHMÚ
Data supplier: ČHMÚ - Libuš AIM
Code of the measuring programme: SKLMA
Locality: Kladno-střed města
Sequence Date Value
1 2021-03-31 17:00 122.8
2 2021-06-03 17:00 121.6
3 2021-06-06 17:00 123.3
4 2021-06-11 17:00 127.4
5 2021-06-16 17:00 132.0
6 2021-06-19 17:00 139.0
7 2021-06-20 14:00 130.5
8 2021-07-24 17:00 128.1