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: CHMI-Brno AIM
Code of the measuring programme: JKMYA
Locality: Kostelní Myslová
Sequence Date Value
1 2019-04-09 15:00 120.4
2 2019-04-19 17:00 122.6
3 2019-04-20 16:00 125.5
4 2019-04-21 16:00 125.3
5 2019-06-18 17:00 122.5
6 2019-06-26 18:00 120.8
7 2019-06-27 17:00 129.7
8 2019-06-30 19:00 132.8
9 2019-07-01 13:00 123.1
10 2019-07-02 18:00 120.2
11 2019-07-06 17:00 123.9
12 2019-07-19 15:00 121.3
13 2019-07-20 16:00 133.5
14 2019-07-25 17:00 125.4
15 2019-07-26 17:00 140.4
16 2019-08-05 16:00 121.3
17 2019-08-24 16:00 121.5
18 2019-08-25 16:00 121.2
19 2019-08-26 17:00 124.9
20 2019-08-27 18:00 130.8
21 2019-08-28 19:00 127.2
22 2019-08-31 16:00 128.8