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: ULTTA
Locality: Litoměřice
Sequence Date Value
1 2022-03-24 17:00 130.1
2 2022-05-18 18:00 120.5
3 2022-05-19 18:00 132.3
4 2022-06-03 19:00 127.7
5 2022-06-05 16:00 124.0
6 2022-06-15 18:00 129.0
7 2022-06-16 18:00 130.1
8 2022-06-19 23:00 122.8
9 2022-06-23 17:00 136.3
10 2022-07-04 19:00 121.1
11 2022-07-18 17:00 122.2
12 2022-07-19 17:00 134.8
13 2022-07-20 16:00 125.9
14 2022-07-21 14:00 138.6
15 2022-07-22 19:00 132.3
16 2022-07-24 17:00 122.9
17 2022-07-25 17:00 132.1
18 2022-08-03 17:00 130.6
19 2022-08-04 17:00 142.9
20 2022-08-05 16:00 166.7
21 2022-08-16 16:00 120.7
22 2022-08-17 17:00 141.3
23 2022-08-18 18:00 149.6
24 2022-08-19 00:00 129.4