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 - Libuš AIM
Code of the measuring programme: SKLMA
Locality: Kladno-střed města
Sequence Date Value
1 2023-06-01 16:00 122
2 2023-06-18 19:00 125
3 2023-06-19 17:00 123
4 2023-06-20 19:00 148
5 2023-06-22 17:00 125
6 2023-06-26 18:00 124
7 2023-06-29 20:00 122
8 2023-07-07 18:00 137
9 2023-07-08 17:00 143
10 2023-07-09 17:00 142
11 2023-07-10 16:00 121
12 2023-07-11 17:00 129
13 2023-08-15 17:00 133
14 2023-08-18 17:00 123
15 2023-08-19 17:00 133
16 2023-08-21 16:00 121
17 2023-08-23 17:00 127
18 2023-08-24 17:00 136
19 2023-09-07 17:00 125
20 2023-09-10 17:00 137
21 2023-09-11 16:00 126
22 2023-09-12 17:00 132