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: ASTOA
Locality: Praha 5-Stodůlky
Sequence Date Value
1 2022-03-24 16:00 133.8
2 2022-03-25 17:00 120.5
3 2022-05-11 17:00 125.8
4 2022-05-16 16:00 120.9
5 2022-06-03 17:00 121.6
6 2022-06-05 16:00 120.6
7 2022-06-18 17:00 121.3
8 2022-06-22 18:00 120.4
9 2022-06-23 17:00 141.3
10 2022-07-18 18:00 125.0
11 2022-07-19 17:00 128.7
12 2022-07-20 17:00 125.2
13 2022-07-21 15:00 133.8
14 2022-07-24 17:00 123.1
15 2022-07-25 17:00 121.9
16 2022-08-04 16:00 129.8
17 2022-08-05 17:00 170.1
18 2022-08-17 17:00 140.0
19 2022-08-18 17:00 135.6
20 2022-08-19 17:00 127.6