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: AKOBA
Locality: Praha 8-Kobylisy
Sequence Date Value
1 2019-04-19 17:00 137.9
2 2019-04-20 17:00 131.4
3 2019-04-21 16:00 125.9
4 2019-05-25 16:00 123.1
5 2019-06-02 17:00 127.2
6 2019-06-04 17:00 135.1
7 2019-06-05 17:00 132.1
8 2019-06-10 17:00 121.7
9 2019-06-14 17:00 130.6
10 2019-06-15 17:00 120.1
11 2019-06-18 18:00 124.6
12 2019-06-19 16:00 120.8
13 2019-06-24 18:00 132.0
14 2019-06-26 17:00 150.4
15 2019-06-27 00:00 131.4
16 2019-06-29 17:00 131.2
17 2019-06-30 16:00 135.5
18 2019-07-01 16:00 128.3
19 2019-07-06 18:00 139.9
20 2019-07-18 18:00 122.2
21 2019-07-20 17:00 133.1
22 2019-07-24 17:00 123.5
23 2019-07-25 17:00 132.1
24 2019-07-26 15:00 122.1
25 2019-07-29 17:00 127.3
26 2019-08-30 17:00 138.5
27 2019-08-31 16:00 137.2