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: UDOKA
Locality: Doksany
Sequence Date Value
1 2023-06-01 17:00 122
2 2023-06-18 17:00 134
3 2023-06-20 17:00 143
4 2023-06-22 17:00 125
5 2023-06-26 16:00 124
6 2023-06-29 17:00 122
7 2023-07-08 17:00 138
8 2023-07-09 16:00 153
9 2023-07-11 18:00 144
10 2023-07-15 15:00 133
11 2023-07-19 16:00 125
12 2023-08-15 15:00 127
13 2023-08-17 17:00 126
14 2023-08-19 17:00 135
15 2023-08-23 16:00 123
16 2023-08-24 17:00 137
17 2023-09-07 16:00 121
18 2023-09-10 16:00 127
19 2023-09-11 17:00 135
20 2023-09-12 15:00 145