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-brand Ostrava AIM
Code of the measuring programme: TBKRA
Locality: Bílý Kříž
Sequence Date Value
1 2022-03-23 22:00 125.3
2 2022-03-24 00:00 125.1
3 2022-05-10 22:00 120.5
4 2022-05-11 00:00 120.3
5 2022-05-16 23:00 121.6
6 2022-05-17 00:00 122.0
7 2022-06-23 19:00 122.0
8 2022-06-27 23:00 120.1
9 2022-06-28 00:00 121.3
10 2022-07-20 23:00 134.4
11 2022-07-21 03:00 136.6
12 2022-07-22 17:00 133.2
13 2022-07-23 17:00 127.2
14 2022-07-25 23:00 121.7
15 2022-07-26 03:00 124.1
16 2022-08-03 21:00 120.5
17 2022-08-05 23:00 138.7
18 2022-08-06 00:00 140.5
19 2022-08-16 22:00 126.9
20 2022-08-17 23:00 159.4
21 2022-08-18 00:00 158.7
22 2022-08-19 00:00 129.4