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-Brno AIM
Code of the measuring programme: BBNYA
Locality: Brno-Tuřany
Sequence Date Value
1 2023-06-01 16:00 122
2 2023-06-19 17:00 129
3 2023-06-20 17:00 136
4 2023-06-21 15:00 126
5 2023-07-09 16:00 140
6 2023-07-10 16:00 132
7 2023-07-11 18:00 124
8 2023-07-15 17:00 128
9 2023-07-19 16:00 129
10 2023-08-15 17:00 125
11 2023-08-20 16:00 122
12 2023-08-24 16:00 131
13 2023-09-11 16:00 122
14 2023-09-12 16:00 131