Information about air quality in the Czech Republic

Year: 2022

Preliminary overview of the ambient limits exceedances

calculated of both operational data (yet unverified) and verified data

Updated: 2023-06-30 09:52 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: TTROA
Locality: Třinec-Kosmos
Sequence Date Value
1 2022-05-11 16:00 126.7
2 2022-05-12 00:00 120.2
3 2022-05-16 17:00 122.5
4 2022-06-03 17:00 128.8
5 2022-06-05 17:00 123.2
6 2022-06-12 17:00 122.6
7 2022-06-23 17:00 128.2
8 2022-06-30 16:00 125.0
9 2022-07-01 15:00 125.8
10 2022-07-20 16:00 140.1
11 2022-07-21 15:00 134.4
12 2022-07-22 16:00 149.5
13 2022-07-23 16:00 133.0
14 2022-07-25 17:00 132.7
15 2022-08-03 17:00 126.6
16 2022-08-05 16:00 134.6
17 2022-08-16 17:00 134.2
18 2022-08-17 16:00 163.5
19 2022-08-18 15:00 139.7
20 2022-08-19 14:00 121.9
21 2022-08-26 17:00 132.7