Information about air quality in the Czech Republic

Year: 2020

Preliminary overview of the ambient limits exceedances

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

Updated: 2021-06-30 06:00 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: ČHMÚ-pobočka Ústí n/Labem-AIM
Code of the measuring programme: LLILA
Locality: Liberec-Rochlice
Sequence Date Value
1 2020-04-09 16:00 123.6
2 2020-04-24 18:00 126.8
3 2020-05-09 16:00 128.9
4 2020-06-27 17:00 122.0
5 2020-08-08 15:00 133.4
6 2020-08-09 16:00 128.9
7 2020-08-13 15:00 129.2
8 2020-08-17 16:00 120.5
9 2020-09-14 15:00 121.0