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: 2024-05-05 05:48 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: LFRTA
Locality: Frýdlant
Sequence Date Value
1 2023-04-22 14:00 123
2 2023-06-19 21:00 132
3 2023-06-20 14:00 132
4 2023-06-21 17:00 122
5 2023-07-08 17:00 134
6 2023-07-09 16:00 139
7 2023-07-10 00:00 123
8 2023-07-15 19:00 131
9 2023-08-15 20:00 121
10 2023-08-20 17:00 121
11 2023-08-24 16:00 127
12 2023-09-11 16:00 131
13 2023-09-12 17:00 130