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: CHMI-Brno AIM
Code of the measuring programme: JTREA
Locality: Třebíč
Sequence Date Value
1 2023-06-20 17:00 129
2 2023-07-08 16:00 122
3 2023-07-09 16:00 131
4 2023-07-10 15:00 130
5 2023-07-19 17:00 123
6 2023-08-15 16:00 121
7 2023-08-19 16:00 123
8 2023-08-22 16:00 121
9 2023-08-23 17:00 122
10 2023-08-24 16:00 126
11 2023-09-10 16:00 124
12 2023-09-11 16:00 126
13 2023-09-12 16:00 123