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: BBNYA
Locality: Brno-Tuřany
Sequence Date Value
1 2022-04-14 16:00 127.3
2 2022-05-10 17:00 121.0
3 2022-05-11 17:00 128.7
4 2022-05-16 17:00 124.4
5 2022-05-19 16:00 122.2
6 2022-05-20 18:00 131.1
7 2022-06-03 18:00 121.9
8 2022-06-05 16:00 133.4
9 2022-06-23 17:00 120.9
10 2022-06-24 17:00 127.7
11 2022-06-26 17:00 121.9
12 2022-06-30 17:00 134.6
13 2022-07-18 17:00 125.2
14 2022-07-19 17:00 129.1
15 2022-07-20 16:00 133.6
16 2022-07-21 17:00 142.9
17 2022-07-22 17:00 135.1
18 2022-07-23 15:00 135.9
19 2022-07-25 17:00 137.2
20 2022-08-03 17:00 122.3
21 2022-08-04 16:00 138.0
22 2022-08-05 16:00 144.0
23 2022-08-16 16:00 128.6
24 2022-08-17 16:00 142.0
25 2022-08-18 16:00 139.7