Information about air quality in the Czech Republic

Year: 2020

Preliminary overview of the ambient limits exceedances

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

Updated: 2021-06-30 06:00 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: ČHMÚ - pob. Plzeň
Code of the measuring programme: PPRMA
Locality: Přimda
Sequence Date Value
1 2020-04-07 18:00 125.1
2 2020-04-09 15:00 125.3
3 2020-04-17 18:00 125.2
4 2020-04-24 23:00 141.5
5 2020-04-25 00:00 140.5
6 2020-05-08 19:00 140.7
7 2020-05-09 00:00 126.8
8 2020-07-23 18:00 120.2
9 2020-08-08 23:00 132.6
10 2020-08-09 20:00 133.4
11 2020-08-10 01:00 130.8
12 2020-08-12 20:00 121.0
13 2020-09-13 23:00 122.6
14 2020-09-14 00:00 122.6
15 2020-09-16 23:00 132.1
16 2020-09-17 00:00 132.3