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: MPl
Data supplier: ČHMÚ - pob. Plzeň
Code of the measuring programme: PPLLA
Locality: Plzeň-Lochotín
Sequence Date Value
1 2022-03-24 18:00 128.9
2 2022-03-25 17:00 126.1
3 2022-04-14 17:00 125.5
4 2022-05-11 17:00 123.2
5 2022-06-18 17:00 123.0
6 2022-06-19 19:00 121.3
7 2022-06-23 19:00 134.9
8 2022-06-24 00:00 120.5
9 2022-07-05 18:00 123.5
10 2022-07-14 17:00 126.4
11 2022-07-19 16:00 125.6
12 2022-07-21 13:00 120.4
13 2022-07-22 17:00 127.0
14 2022-07-23 17:00 127.8
15 2022-07-24 17:00 122.8
16 2022-07-25 18:00 133.4
17 2022-07-28 20:00 120.3
18 2022-07-29 16:00 120.3
19 2022-08-03 17:00 128.5
20 2022-08-04 17:00 135.8
21 2022-08-05 17:00 143.3
22 2022-08-16 17:00 120.0
23 2022-08-17 17:00 138.4
24 2022-08-18 16:00 142.7