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: ČHMÚ-pobočka Ústí n/Labem-AIM
Code of the measuring programme: KSOMA
Locality: Sokolov
Sequence Date Value
1 2018-04-21 18:00 134.4
2 2018-04-22 17:00 138.0
3 2018-05-07 18:00 120.2
4 2018-05-13 18:00 123.9
5 2018-05-22 19:00 121.8
6 2018-06-07 20:00 130.1
7 2018-06-08 18:00 129.8
8 2018-07-03 18:00 128.6
9 2018-07-04 17:00 148.5
10 2018-07-05 15:00 136.8
11 2018-07-17 18:00 135.6
12 2018-07-18 16:00 123.8
13 2018-07-20 18:00 132.7
14 2018-07-22 18:00 121.4
15 2018-07-23 16:00 132.8
16 2018-07-26 17:00 126.0
17 2018-07-30 16:00 135.2
18 2018-07-31 16:00 141.9
19 2018-08-01 17:00 154.9
20 2018-08-02 00:00 136.8
21 2018-08-03 17:00 129.8
22 2018-08-04 17:00 123.0
23 2018-08-07 16:00 129.9
24 2018-08-08 16:00 143.6
25 2018-08-09 17:00 146.6
26 2018-08-17 16:00 127.6
27 2018-08-18 17:00 121.6
28 2018-08-19 17:00 144.0
29 2018-08-22 17:00 125.4
30 2018-08-23 16:00 132.9
31 2018-08-29 17:00 123.7
32 2018-09-05 17:00 124.7
33 2018-09-12 17:00 129.2
34 2018-09-20 18:00 120.1