Information about air quality in the Czech Republic

Year: 2022

Preliminary overview of the ambient limits exceedances

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

Updated: 2023-06-30 09:52 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: VČs
Data supplier: ČHMÚ - Libuš AIM
Code of the measuring programme: STCSA
Locality: Tobolka-Čertovy schody
Sequence Date Value
1 2022-03-24 18:00 137.9
2 2022-03-25 17:00 125.4
3 2022-04-14 17:00 121.2
4 2022-05-11 18:00 128.0
5 2022-05-16 16:00 121.8
6 2022-06-16 18:00 130.7
7 2022-06-18 18:00 120.6
8 2022-06-23 17:00 142.9
9 2022-06-24 00:00 123.9
10 2022-07-21 14:00 136.5
11 2022-07-22 18:00 130.7
12 2022-07-23 16:00 122.8
13 2022-07-24 23:00 120.4
14 2022-07-25 17:00 122.2
15 2022-08-04 19:00 132.4
16 2022-08-05 16:00 150.0
17 2022-08-17 19:00 129.6
18 2022-08-18 17:00 138.4