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: 2024-05-05 05:48 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 2023-05-29 17:00 134
2 2023-05-30 17:00 121
3 2023-05-31 17:00 137
4 2023-06-01 17:00 131
5 2023-06-11 17:00 124
6 2023-06-18 17:00 123
7 2023-06-19 18:00 129
8 2023-06-20 17:00 137
9 2023-06-26 18:00 134
10 2023-07-07 17:00 127
11 2023-07-08 17:00 131
12 2023-07-09 16:00 140
13 2023-07-10 15:00 124
14 2023-07-11 17:00 129
15 2023-08-19 16:00 121
16 2023-08-24 16:00 129
17 2023-09-10 16:00 122
18 2023-09-12 16:00 125