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: TCERA
Locality: Červená hora
Sequence Date Value
1 2022-03-23 18:00 120.9
2 2022-03-24 16:00 124.2
3 2022-04-13 19:00 122.6
4 2022-04-14 17:00 129.1
5 2022-05-02 16:00 124.8
6 2022-05-03 05:00 128.8
7 2022-05-04 02:00 120.2
8 2022-05-11 19:00 133.3
9 2022-05-12 00:00 122.5
10 2022-05-20 21:00 130.6
11 2022-06-03 22:00 126.4
12 2022-06-04 00:00 122.6
13 2022-06-05 16:00 131.0
14 2022-06-23 22:00 128.9
15 2022-06-24 00:00 124.9
16 2022-06-27 23:00 130.7
17 2022-06-28 00:00 130.7
18 2022-07-01 15:00 126.7
19 2022-07-20 23:00 139.2
20 2022-07-21 20:00 140.2
21 2022-07-22 00:00 137.0
22 2022-07-23 16:00 133.2
23 2022-07-25 23:00 132.1
24 2022-07-26 00:00 131.5
25 2022-08-03 23:00 126.8
26 2022-08-04 00:00 125.8
27 2022-08-05 22:00 145.8
28 2022-08-06 00:00 142.3
29 2022-08-16 23:00 122.4
30 2022-08-17 22:00 152.3
31 2022-08-18 17:00 155.1
32 2022-08-19 15:00 127.7
33 2022-08-26 23:00 140.6
34 2022-08-27 00:00 139.5