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: ZZLNA
Locality: Zlín
Sequence Date Value
1 2023-05-31 18:00 130
2 2023-06-01 17:00 121
3 2023-06-20 17:00 123
4 2023-07-09 18:00 135
5 2023-07-10 15:00 123
6 2023-07-12 18:00 122
7 2023-07-19 17:00 129
8 2023-08-22 16:00 125
9 2023-08-23 18:00 122
10 2023-08-24 17:00 136
11 2023-08-25 16:00 126
12 2023-09-12 16:00 123
13 2023-09-13 15:00 122