Information about air quality in the Czech Republic

Year: 2020

Preliminary overview of the ambient limits exceedances

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

Updated: 2021-06-30 06:00 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 2020-04-09 17:00 125.1
2 2020-04-24 22:00 124.9
3 2020-04-25 00:00 120.2
4 2020-05-08 17:00 124.9
5 2020-05-09 17:00 134.3
6 2020-08-07 17:00 134.8
7 2020-08-08 17:00 126.1
8 2020-08-09 17:00 147.4
9 2020-08-12 17:00 133.9
10 2020-08-13 17:00 136.3
11 2020-08-16 17:00 121.9
12 2020-09-16 17:00 121.5