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: MPRRA
Locality: Přerov
Sequence Date Value
1 2022-05-11 18:00 122.3
2 2022-05-16 17:00 124.3
3 2022-05-20 17:00 121.7
4 2022-06-05 16:00 132.4
5 2022-06-23 19:00 128.1
6 2022-06-26 17:00 120.9
7 2022-06-27 17:00 122.5
8 2022-06-29 17:00 128.8
9 2022-06-30 17:00 129.4
10 2022-07-01 15:00 124.2
11 2022-07-20 18:00 122.4
12 2022-07-21 17:00 141.9
13 2022-07-22 16:00 130.1
14 2022-07-23 16:00 136.1
15 2022-07-25 18:00 127.9
16 2022-08-03 18:00 126.1
17 2022-08-04 17:00 129.2
18 2022-08-05 17:00 141.8
19 2022-08-17 16:00 149.9
20 2022-08-18 17:00 148.3