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: ČHMÚ
Data supplier: ČHMÚ - Libuš AIM
Code of the measuring programme: ARIEA
Locality: Praha 2-Riegrovy sady
Sequence Date Value
1 2022-03-24 17:00 121.9
2 2022-05-11 17:00 120.6
3 2022-06-03 17:00 120.8
4 2022-06-15 17:00 121.8
5 2022-06-23 17:00 138.4
6 2022-06-26 17:00 122.2
7 2022-07-18 18:00 127.3
8 2022-07-19 17:00 131.4
9 2022-07-20 16:00 122.8
10 2022-07-21 15:00 130.0
11 2022-07-22 17:00 126.3
12 2022-07-24 18:00 124.0
13 2022-07-25 17:00 123.1
14 2022-08-04 16:00 136.5
15 2022-08-05 17:00 167.0
16 2022-08-16 16:00 122.8
17 2022-08-17 17:00 144.9
18 2022-08-18 16:00 135.7
19 2022-08-19 17:00 120.5