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: CHMI-Brno AIM
Code of the measuring programme: ZTNVA
Locality: Těšnovice
Sequence Date Value
1 2022-03-23 20:00 121.7
2 2022-05-02 16:00 120.4
3 2022-05-11 18:00 126.0
4 2022-05-16 19:00 122.1
5 2022-05-20 20:00 125.4
6 2022-06-05 16:00 131.6
7 2022-06-23 20:00 134.3
8 2022-06-24 00:00 128.3
9 2022-06-26 17:00 122.8
10 2022-06-27 17:00 127.3
11 2022-06-29 17:00 141.1
12 2022-06-30 17:00 128.2
13 2022-07-01 15:00 123.9
14 2022-07-20 16:00 129.4
15 2022-07-21 19:00 144.6
16 2022-07-22 16:00 134.6
17 2022-07-23 16:00 139.6
18 2022-07-25 17:00 128.1
19 2022-08-03 20:00 125.5
20 2022-08-04 18:00 143.8
21 2022-08-05 18:00 142.2
22 2022-08-06 00:00 124.0
23 2022-08-16 16:00 128.6
24 2022-08-17 16:00 149.4
25 2022-08-18 16:00 140.0
26 2022-08-19 14:00 123.2
27 2022-08-25 19:00 121.0