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: ULTTA
Locality: Litoměřice
Sequence Date Value
1 2023-06-18 17:00 128
2 2023-06-20 17:00 138
3 2023-06-26 18:00 124
4 2023-07-08 17:00 133
5 2023-07-09 16:00 141
6 2023-07-10 16:00 129
7 2023-07-11 19:00 138
8 2023-07-12 00:00 122
9 2023-07-15 16:00 129
10 2023-08-15 17:00 122
11 2023-08-19 17:00 126
12 2023-08-23 17:00 121
13 2023-08-24 17:00 133
14 2023-09-10 16:00 123
15 2023-09-11 16:00 131
16 2023-09-12 16:00 130