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: ASUCA
Locality: Praha 6-Suchdol
Sequence Date Value
1 2022-03-24 17:00 131.5
2 2022-05-11 17:00 130.1
3 2022-05-16 17:00 128.1
4 2022-05-18 18:00 121.6
5 2022-05-19 17:00 124.4
6 2022-06-03 18:00 126.1
7 2022-06-05 17:00 124.1
8 2022-06-15 18:00 126.4
9 2022-06-22 18:00 121.2
10 2022-06-23 18:00 142.8
11 2022-06-26 17:00 128.4
12 2022-07-18 18:00 132.8
13 2022-07-19 18:00 150.2
14 2022-07-20 17:00 128.7
15 2022-07-21 15:00 140.5
16 2022-07-22 18:00 128.9
17 2022-07-24 18:00 123.6
18 2022-07-25 17:00 130.2
19 2022-07-31 15:00 122.3
20 2022-08-03 18:00 125.4
21 2022-08-04 18:00 148.9
22 2022-08-05 17:00 168.3
23 2022-08-16 18:00 128.7
24 2022-08-17 17:00 155.5
25 2022-08-18 17:00 145.1
26 2022-08-19 18:00 122.8