Information about air quality in the Czech Republic

Year: 2023

Preliminary overview of the ambient limits exceedances

calculated of both operational data (yet unverified) and verified data

Updated: 2024-05-06 05:49 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: ČHMÚ - pob. Plzeň
Code of the measuring programme: CKOCA
Locality: Kocelovice
Sequence Date Value
1 2023-05-29 18:00 130
2 2023-05-31 17:00 124
3 2023-06-18 17:00 127
4 2023-06-19 17:00 129
5 2023-06-20 17:00 132
6 2023-06-26 20:00 140
7 2023-06-27 00:00 121
8 2023-07-08 18:00 133
9 2023-07-09 17:00 137
10 2023-07-10 15:00 128
11 2023-07-11 18:00 126
12 2023-07-14 19:00 123
13 2023-07-19 17:00 130
14 2023-08-19 17:00 128
15 2023-08-21 17:00 126
16 2023-08-23 18:00 130
17 2023-08-24 16:00 129
18 2023-09-10 18:00 129
19 2023-09-11 17:00 133
20 2023-09-12 16:00 132