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 - Libuš AIM
Code of the measuring programme: JKOSA
Locality: Košetice
Sequence Date Value
1 2019-04-09 16:00 122.5
2 2019-04-18 17:00 121.2
3 2019-04-19 16:00 127.4
4 2019-04-20 15:00 126.8
5 2019-04-21 16:00 125.6
6 2019-05-25 15:00 122.4
7 2019-06-05 16:00 125.2
8 2019-06-11 18:00 123.2
9 2019-06-12 18:00 121.6
10 2019-06-14 17:00 123.8
11 2019-06-18 18:00 121.3
12 2019-06-26 18:00 131.9
13 2019-06-27 17:00 135.1
14 2019-06-30 23:00 132.2
15 2019-07-01 00:00 132.3
16 2019-07-02 17:00 121.5
17 2019-07-06 18:00 121.8
18 2019-07-20 17:00 134.7
19 2019-07-25 17:00 122.6
20 2019-07-26 17:00 131.9
21 2019-08-27 18:00 121.2
22 2019-08-28 18:00 123.6
23 2019-08-29 17:00 122.9
24 2019-08-31 17:00 127.3