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: BBDNA
Locality: Brno - Dětská nemocnice
Sequence Date Value
1 2022-05-20 18:00 122.8
2 2022-06-03 20:00 125.1
3 2022-06-05 15:00 123.2
4 2022-06-24 17:00 125.6
5 2022-06-26 17:00 123.8
6 2022-06-27 17:00 120.7
7 2022-06-30 17:00 134.6
8 2022-07-19 17:00 129.5
9 2022-07-20 16:00 129.6
10 2022-07-21 19:00 141.2
11 2022-07-22 18:00 127.6
12 2022-07-23 15:00 131.5
13 2022-07-25 17:00 136.4
14 2022-08-03 17:00 125.3
15 2022-08-04 17:00 141.1
16 2022-08-05 17:00 147.2
17 2022-08-16 17:00 122.8
18 2022-08-17 16:00 133.9
19 2022-08-18 16:00 140.0
20 2022-08-26 17:00 121.0