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: MPl
Data supplier: ČHMÚ - pob. Plzeň
Code of the measuring programme: PPLAA
Locality: Plzeň-Slovany
Sequence Date Value
1 2018-04-21 19:00 128.9
2 2018-04-22 17:00 126.0
3 2018-05-06 17:00 122.3
4 2018-05-07 17:00 125.5
5 2018-05-27 16:00 126.4
6 2018-06-05 16:00 128.2
7 2018-06-07 17:00 127.4
8 2018-06-16 18:00 127.8
9 2018-07-03 18:00 121.4
10 2018-07-04 18:00 145.6
11 2018-07-05 15:00 127.3
12 2018-07-20 18:00 129.6
13 2018-07-21 17:00 125.7
14 2018-07-22 19:00 126.4
15 2018-07-23 17:00 126.5
16 2018-07-24 17:00 124.0
17 2018-07-27 18:00 125.6
18 2018-07-28 17:00 127.4
19 2018-07-29 16:00 120.1
20 2018-07-30 17:00 126.4
21 2018-07-31 17:00 142.8
22 2018-08-01 19:00 137.0
23 2018-08-02 19:00 129.5
24 2018-08-03 16:00 126.5
25 2018-08-04 17:00 126.9
26 2018-08-07 18:00 124.4
27 2018-08-08 17:00 129.3
28 2018-08-09 17:00 135.2
29 2018-08-23 17:00 125.7