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: 2024-05-06 05:49 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: UMOMA
Locality: Most
Sequence Date Value
1 2023-06-18 17:00 130
2 2023-06-19 18:00 124
3 2023-06-20 19:00 130
4 2023-06-22 18:00 136
5 2023-06-26 17:00 130
6 2023-06-29 18:00 128
7 2023-07-12 00:00 128
8 2023-07-15 14:00 122
9 2023-08-15 16:00 123
10 2023-08-19 16:00 126
11 2023-08-24 17:00 144
12 2023-09-07 16:00 123
13 2023-09-08 16:00 125
14 2023-09-09 16:00 123
15 2023-09-10 16:00 133
16 2023-09-11 16:00 136
17 2023-09-12 16:00 154