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: CHMI-brand Ostrava AIM
Code of the measuring programme: TCERA
Locality: Červená hora
Sequence Date Value
1 2023-04-21 19:00 123
2 2023-04-22 18:00 123
3 2023-06-19 16:00 123
4 2023-06-20 16:00 135
5 2023-06-21 03:00 131
6 2023-06-30 16:00 122
7 2023-07-08 16:00 122
8 2023-07-09 15:00 137
9 2023-07-10 00:00 135
10 2023-07-15 19:00 122
11 2023-07-19 16:00 121
12 2023-08-16 19:00 122
13 2023-08-21 03:00 124
14 2023-08-22 19:00 121
15 2023-08-25 01:00 121
16 2023-09-09 04:00 124
17 2023-09-11 19:00 129
18 2023-09-12 23:00 130
19 2023-09-13 04:00 132