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: ČHMÚ-pobočka Ústí n/Labem-AIM
Code of the measuring programme: LLILA
Locality: Liberec-Rochlice
Sequence Date Value
1 2022-03-24 16:00 124.8
2 2022-04-13 17:00 122.3
3 2022-04-14 16:00 126.4
4 2022-05-19 17:00 132.7
5 2022-06-03 17:00 122.9
6 2022-06-05 17:00 128.8
7 2022-06-16 19:00 122.3
8 2022-06-18 18:00 124.9
9 2022-06-23 17:00 131.9
10 2022-06-24 14:00 125.2
11 2022-07-21 16:00 142.1
12 2022-07-22 18:00 128.5
13 2022-07-25 17:00 137.2
14 2022-07-31 17:00 123.9
15 2022-08-03 18:00 127.6
16 2022-08-04 17:00 142.5
17 2022-08-16 16:00 130.9
18 2022-08-17 16:00 140.3
19 2022-08-18 16:00 144.1
20 2022-08-19 00:00 124.9