Information about air quality in the Czech Republic

Year: 2019

Preliminary overview of the ambient limits exceedances

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

Updated: 2020-06-30 05:19 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: VČs
Data supplier: ČHMÚ - Libuš AIM
Code of the measuring programme: STCSA
Locality: Tobolka-Čertovy schody
Sequence Date Value
1 2019-04-18 17:00 120.6
2 2019-04-19 18:00 128.9
3 2019-04-20 16:00 130.7
4 2019-04-21 17:00 131.5
5 2019-04-22 16:00 123.5
6 2019-06-04 17:00 138.7
7 2019-06-05 17:00 136.6
8 2019-06-13 17:00 131.6
9 2019-06-14 16:00 130.2
10 2019-06-15 17:00 122.9
11 2019-06-17 16:00 124.5
12 2019-06-18 17:00 124.6
13 2019-06-19 16:00 130.6
14 2019-06-24 17:00 127.9
15 2019-06-26 16:00 138.9
16 2019-06-27 00:00 131.9
17 2019-06-29 17:00 131.8
18 2019-06-30 23:00 141.2
19 2019-07-01 00:00 140.4
20 2019-07-06 16:00 136.0
21 2019-07-20 17:00 130.9
22 2019-07-24 18:00 141.1
23 2019-07-25 17:00 166.0
24 2019-07-26 16:00 132.4
25 2019-08-28 21:00 121.4
26 2019-08-30 19:00 132.1
27 2019-08-31 17:00 126.2