Information about air quality in the Czech Republic

Year: 2018

Preliminary overview of the ambient limits exceedances

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

Updated: 2019-06-30 04:46 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 2018-03-04 18:00 120.4
2 2018-04-22 17:00 131.7
3 2018-05-13 18:00 129.2
4 2018-05-26 18:00 126.4
5 2018-05-27 15:00 125.5
6 2018-05-28 17:00 128.4
7 2018-05-29 16:00 127.1
8 2018-05-31 17:00 132.2
9 2018-06-11 15:00 121.1
10 2018-06-16 16:00 120.2
11 2018-06-17 18:00 122.7
12 2018-07-03 17:00 123.1
13 2018-07-04 16:00 135.0
14 2018-07-05 15:00 154.8
15 2018-07-19 18:00 129.1
16 2018-07-21 15:00 122.6
17 2018-07-23 21:00 127.6
18 2018-07-24 18:00 123.5
19 2018-07-31 16:00 127.3
20 2018-08-03 16:00 121.2
21 2018-08-04 16:00 134.4
22 2018-08-05 16:00 135.5
23 2018-08-07 16:00 135.6
24 2018-08-08 16:00 131.6
25 2018-08-09 15:00 131.4
26 2018-08-13 17:00 121.4
27 2018-08-18 15:00 125.8
28 2018-08-19 16:00 135.0
29 2018-08-20 16:00 144.0
30 2018-08-22 19:00 127.2
31 2018-08-23 16:00 134.6
32 2018-08-29 17:00 127.3
33 2018-09-12 17:00 127.4
34 2018-09-13 16:00 123.5
35 2018-09-20 17:00 121.7