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-brand Ostrava AIM
Code of the measuring programme: TKARA
Locality: Karviná
Sequence Date Value
1 2018-04-21 19:00 125.5
2 2018-05-13 17:00 124.5
3 2018-05-24 17:00 126.3
4 2018-05-26 17:00 137.3
5 2018-05-27 16:00 130.6
6 2018-05-28 18:00 120.6
7 2018-05-31 15:00 132.8
8 2018-06-04 17:00 133.6
9 2018-06-05 17:00 121.2
10 2018-06-07 19:00 124.3
11 2018-06-11 17:00 130.6
12 2018-06-20 17:00 132.9
13 2018-06-21 17:00 124.5
14 2018-07-04 17:00 137.5
15 2018-07-05 17:00 172.7
16 2018-07-06 00:00 120.6
17 2018-07-21 18:00 152.1
18 2018-07-23 17:00 124.1
19 2018-07-24 16:00 139.9
20 2018-07-29 17:00 126.8
21 2018-08-02 17:00 120.5
22 2018-08-03 18:00 127.9
23 2018-08-04 17:00 132.6
24 2018-08-05 16:00 123.9
25 2018-08-07 16:00 124.0
26 2018-08-09 15:00 130.5
27 2018-08-17 17:00 121.7
28 2018-08-18 17:00 121.5
29 2018-08-19 16:00 149.8
30 2018-08-20 16:00 138.0
31 2018-08-23 16:00 134.1
32 2018-09-12 16:00 123.9
33 2018-09-21 17:00 124.1