Information about air quality in the Czech Republic

Year: 2019

Preliminary overview of the ambient limits exceedances

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

Updated: 2020-06-30 05:19 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: CPRAA
Locality: Prachatice
Sequence Date Value
1 2019-04-09 16:00 126.6
2 2019-04-20 16:00 124.7
3 2019-04-21 16:00 129.1
4 2019-04-22 19:00 125.7
5 2019-05-02 16:00 128.1
6 2019-06-04 17:00 122.2
7 2019-06-05 17:00 124.7
8 2019-06-27 14:00 134.0
9 2019-06-29 17:00 121.8
10 2019-06-30 23:00 144.6
11 2019-07-01 02:00 146.7
12 2019-07-06 16:00 130.2
13 2019-07-19 14:00 120.2
14 2019-07-20 15:00 120.9
15 2019-07-25 17:00 139.1
16 2019-07-26 17:00 143.1
17 2019-08-29 15:00 124.8