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: 2024-05-05 05:48 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: TBKRA
Locality: Bílý Kříž
Sequence Date Value
1 2023-05-31 23:00 123
2 2023-06-01 18:00 125
3 2023-06-02 00:00 125
4 2023-06-19 21:00 131
5 2023-06-20 00:00 129
6 2023-06-21 04:00 122
7 2023-06-22 20:00 127
8 2023-07-08 23:00 122
9 2023-07-09 19:00 138
10 2023-07-10 02:00 136
11 2023-08-24 20:00 121