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: CPRAA
Locality: Prachatice
Sequence Date Value
1 2018-04-22 16:00 135.9
2 2018-04-23 05:00 123.5
3 2018-05-06 16:00 124.6
4 2018-05-07 17:00 125.9
5 2018-05-13 21:00 135.2
6 2018-05-14 00:00 120.5
7 2018-05-27 17:00 121.8
8 2018-06-04 17:00 122.1
9 2018-06-05 18:00 139.9
10 2018-06-06 18:00 129.2
11 2018-06-16 15:00 124.6
12 2018-06-17 16:00 127.4
13 2018-06-21 17:00 127.2
14 2018-07-04 21:00 149.6
15 2018-07-05 00:00 143.4
16 2018-07-17 23:00 135.7
17 2018-07-18 00:00 135.9
18 2018-07-21 16:00 125.9
19 2018-07-22 17:00 121.1
20 2018-07-23 17:00 142.6
21 2018-07-24 17:00 129.7
22 2018-07-27 17:00 120.5
23 2018-07-28 22:00 130.4
24 2018-07-29 00:00 129.2
25 2018-07-30 16:00 121.4
26 2018-07-31 16:00 143.4
27 2018-08-01 18:00 121.8
28 2018-08-03 16:00 130.9
29 2018-08-04 15:00 124.8
30 2018-08-05 16:00 148.2
31 2018-08-07 19:00 133.4
32 2018-08-08 16:00 131.7
33 2018-08-09 16:00 136.6
34 2018-08-19 16:00 122.5
35 2018-08-22 17:00 125.0
36 2018-09-06 16:00 124.2
37 2018-09-12 17:00 133.2