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: 2024-05-18 05:46 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: VČs
Data supplier: ČHMÚ - Libuš AIM
Code of the measuring programme: STCSA
Locality: Tobolka-Čertovy schody
Sequence Date Value
1 2023-05-22 16:00 121
2 2023-05-29 17:00 126
3 2023-06-01 16:00 122
4 2023-06-20 18:00 139
5 2023-06-26 18:00 133
6 2023-06-29 18:00 124
7 2023-07-07 19:00 121
8 2023-07-08 17:00 130
9 2023-07-09 18:00 144
10 2023-07-10 00:00 137
11 2023-07-11 19:00 126
12 2023-07-19 16:00 122
13 2023-08-16 16:00 123
14 2023-08-18 19:00 128
15 2023-08-19 17:00 124
16 2023-08-20 17:00 130
17 2023-08-21 17:00 123
18 2023-08-23 17:00 127
19 2023-08-24 16:00 131
20 2023-09-10 19:00 122
21 2023-09-11 17:00 133
22 2023-09-12 17:00 137