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 - Libuš AIM
Code of the measuring programme: AKOBA
Locality: Praha 8-Kobylisy
Sequence Date Value
1 2023-06-01 17:00 123
2 2023-06-18 18:00 132
3 2023-06-19 18:00 122
4 2023-06-20 17:00 143
5 2023-06-22 17:00 125
6 2023-06-26 17:00 126
7 2023-06-29 19:00 141
8 2023-06-30 00:00 125
9 2023-07-07 18:00 143
10 2023-07-08 17:00 136
11 2023-07-09 17:00 146
12 2023-07-10 17:00 123
13 2023-07-11 17:00 135
14 2023-08-11 20:00 122
15 2023-08-15 16:00 132
16 2023-08-19 17:00 141
17 2023-08-23 17:00 126
18 2023-08-24 17:00 148
19 2023-09-07 17:00 125
20 2023-09-09 16:00 122
21 2023-09-10 17:00 138
22 2023-09-11 18:00 138
23 2023-09-12 18:00 140