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: Letiště Pr
Data supplier: ČHMÚ - Libuš AIM
Code of the measuring programme: ALERA
Locality: Letiště Praha
Sequence Date Value
1 2023-06-18 17:00 123
2 2023-06-20 17:00 135
3 2023-06-29 20:00 122
4 2023-07-07 18:00 132
5 2023-07-08 17:00 130
6 2023-07-09 17:00 136
7 2023-08-23 17:00 122
8 2023-08-24 17:00 136