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: BMISA
Locality: Mikulov-Sedlec
Sequence Date Value
1 2022-03-25 18:00 124.1
2 2022-04-14 18:00 123.9
3 2022-04-30 18:00 122.9
4 2022-05-10 18:00 122.5
5 2022-05-11 17:00 129.9
6 2022-05-16 18:00 123.3
7 2022-05-20 18:00 130.3
8 2022-06-03 17:00 129.1
9 2022-06-24 17:00 129.0
10 2022-06-27 18:00 120.4
11 2022-06-29 17:00 135.0
12 2022-06-30 18:00 138.0
13 2022-07-14 17:00 125.8
14 2022-07-19 16:00 120.2
15 2022-07-20 18:00 133.0
16 2022-07-21 18:00 149.1
17 2022-07-22 19:00 136.2
18 2022-07-23 17:00 135.5
19 2022-07-25 18:00 137.7
20 2022-07-26 00:00 123.5
21 2022-08-03 18:00 120.7
22 2022-08-04 22:00 143.8
23 2022-08-05 16:00 146.3
24 2022-08-06 00:00 127.2
25 2022-08-16 18:00 132.3
26 2022-08-17 16:00 143.8
27 2022-08-18 16:00 137.3
28 2022-08-26 17:00 121.9