Information about air quality in the Czech Republic

Year: 2022

Preliminary overview of the ambient limits exceedances

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

Updated: 2023-06-30 09:52 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-brand Ostrava AIM
Code of the measuring programme: MOLJA
Locality: Olomouc-Hejčín
Sequence Date Value
1 2022-03-24 16:00 130.3
2 2022-07-20 19:00 123.7
3 2022-07-21 16:00 137.2
4 2022-07-22 18:00 121.3
5 2022-07-23 15:00 129.2
6 2022-08-04 16:00 129.7
7 2022-08-05 17:00 133.8
8 2022-08-17 16:00 140.8
9 2022-08-18 17:00 141.2