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: CHVOA
Locality: Hojná Voda
Sequence Date Value
1 2023-05-31 23:00 123
2 2023-06-01 00:00 121
3 2023-06-19 16:00 130
4 2023-06-20 03:00 121
5 2023-06-30 14:00 124
6 2023-07-08 18:00 123
7 2023-07-09 16:00 129
8 2023-08-22 18:00 122
9 2023-09-08 19:00 122