Information about air quality in the Czech Republic

Year: 2016

Preliminary overview of the ambient limits exceedances

calculated of both operational data (yet unverified) and verified data

Updated: 2017-06-30 04:32 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 - Libuš AIM
Code of the measuring programme: SONRA
Locality: Ondřejov
Sequence Date Value
1 2016-04-30 16:00 120.6
2 2016-05-11 17:00 122.4
3 2016-05-22 19:00 121.1
4 2016-06-05 16:00 120.7
5 2016-06-08 16:00 120.1
6 2016-07-25 18:00 124.0
7 2016-08-19 19:00 135.2
8 2016-08-20 00:00 120.2
9 2016-08-27 17:00 128.0
10 2016-08-28 17:00 121.0
11 2016-09-01 18:00 129.8
12 2016-09-02 17:00 133.5
13 2016-09-03 00:00 122.8
14 2016-09-09 17:00 141.8
15 2016-09-10 17:00 128.0
16 2016-09-11 04:00 128.6
17 2016-09-12 18:00 124.5
18 2016-09-13 17:00 137.6
19 2016-09-14 17:00 129.5
20 2016-09-15 18:00 128.3
21 2016-09-16 17:00 123.8