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: TOVKA
Locality: Opava-Kateřinky
Sequence Date Value
1 2018-04-21 17:00 120.9
2 2018-05-13 17:00 120.2
3 2018-05-24 17:00 124.1
4 2018-05-26 17:00 130.9
5 2018-05-27 17:00 148.6
6 2018-05-28 17:00 120.2
7 2018-05-31 16:00 143.9
8 2018-06-04 17:00 129.6
9 2018-06-07 18:00 129.4
10 2018-06-11 16:00 131.8
11 2018-06-21 16:00 128.6
12 2018-06-29 17:00 123.9
13 2018-07-04 17:00 132.0
14 2018-07-05 15:00 162.8
15 2018-07-06 00:00 125.0
16 2018-07-21 17:00 142.9
17 2018-07-22 16:00 136.8
18 2018-07-23 17:00 126.3
19 2018-07-24 16:00 136.2
20 2018-07-29 17:00 137.8
21 2018-07-30 16:00 132.2
22 2018-08-01 18:00 123.3
23 2018-08-02 16:00 129.6
24 2018-08-03 18:00 139.1
25 2018-08-04 15:00 136.5
26 2018-08-07 17:00 135.8
27 2018-08-08 18:00 122.2
28 2018-08-09 16:00 136.6
29 2018-08-13 17:00 122.2
30 2018-08-19 17:00 129.0
31 2018-08-20 16:00 130.0
32 2018-08-23 16:00 137.3
33 2018-08-24 15:00 128.1
34 2018-08-30 15:00 124.9
35 2018-09-12 17:00 127.1
36 2018-09-20 16:00 128.0
37 2018-09-21 16:00 126.7