Information about air quality in the Czech Republic

Year: 2024

Preliminary overview of the ambient limits exceedances

calculated of both operational data (yet unverified) and verified data

Updated: 2024-09-01 04:10 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∙m -3
Ambient limit: 120
Max. permissible number of exceedances: 25
Owner: ČHMÚ
Data supplier: CHMI-Brno AIM
Code of the measuring programme: ZTNVA
Locality: Těšnovice
Sequence Date Value
1 2024-07-19 18:00 134
2 2024-07-20 16:00 123
3 2024-07-21 17:00 129
4 2024-07-22 16:00 132
5 2024-07-31 17:00 125
6 2024-08-01 19:00 126
7 2024-08-12 18:00 121
8 2024-08-13 19:00 134
9 2024-08-14 16:00 127
10 2024-08-15 17:00 132
11 2024-08-16 16:00 132
12 2024-08-24 16:00 122
13 2024-08-25 15:00 121
14 2024-08-28 17:00 122
15 2024-08-29 18:00 122