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: UULKA
Locality: Ústí n.L.-Kočkov
Sequence Date Value
1 2023-04-22 17:00 125
2 2023-06-18 21:00 128
3 2023-06-19 21:00 134
4 2023-06-20 20:00 144
5 2023-06-21 00:00 129
6 2023-06-22 19:00 128
7 2023-06-26 17:00 131
8 2023-06-29 18:00 146
9 2023-06-30 00:00 132
10 2023-07-07 20:00 133
11 2023-07-08 20:00 141
12 2023-07-09 15:00 147
13 2023-07-10 14:00 146
14 2023-07-11 20:00 144
15 2023-07-12 00:00 135
16 2023-07-14 20:00 121
17 2023-07-15 16:00 135
18 2023-08-15 16:00 133
19 2023-08-17 17:00 129
20 2023-08-19 21:00 131
21 2023-08-20 00:00 127
22 2023-08-23 20:00 121
23 2023-08-24 17:00 142
24 2023-08-25 00:00 123
25 2023-09-07 17:00 124
26 2023-09-08 18:00 122
27 2023-09-09 18:00 124
28 2023-09-10 18:00 158
29 2023-09-11 19:00 165
30 2023-09-12 17:00 161
31 2023-09-13 00:00 141