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 - pob. Plzeň
Code of the measuring programme: CCBDA
Locality: České Budějovice
Sequence Date Value
1 2018-04-14 20:00 120.7
2 2018-04-22 16:00 139.1
3 2018-05-06 17:00 120.1
4 2018-05-13 21:00 129.4
5 2018-05-27 17:00 124.9
6 2018-06-05 17:00 135.2
7 2018-06-06 18:00 127.8
8 2018-06-16 17:00 120.8
9 2018-06-17 16:00 126.1
10 2018-07-04 18:00 150.9
11 2018-07-17 20:00 122.2
12 2018-07-18 15:00 130.1
13 2018-07-23 15:00 130.9
14 2018-07-24 17:00 128.2
15 2018-07-27 17:00 121.9
16 2018-07-28 17:00 126.3
17 2018-07-31 16:00 139.6
18 2018-08-03 17:00 129.3
19 2018-08-04 16:00 128.6
20 2018-08-05 17:00 145.3
21 2018-08-07 17:00 134.4
22 2018-08-08 16:00 137.9
23 2018-08-09 17:00 135.7
24 2018-08-18 16:00 128.6
25 2018-08-19 16:00 134.8
26 2018-08-20 16:00 133.1
27 2018-08-22 17:00 127.3
28 2018-08-23 16:00 128.8
29 2018-08-29 18:00 121.6
30 2018-09-12 16:00 130.3