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: ČHMÚ
Data supplier: ČHMÚ - Libuš AIM
Code of the measuring programme: ASTOA
Locality: Praha 5-Stodůlky
Sequence Date Value
1 2019-04-18 17:00 121.1
2 2019-04-19 17:00 137.6
3 2019-04-20 17:00 135.2
4 2019-04-21 17:00 131.8
5 2019-05-24 17:00 125.7
6 2019-05-25 16:00 129.1
7 2019-06-02 17:00 131.6
8 2019-06-04 17:00 149.4
9 2019-06-05 17:00 136.8
10 2019-06-13 18:00 125.5
11 2019-06-14 17:00 135.4
12 2019-06-15 16:00 122.1
13 2019-06-17 16:00 122.3
14 2019-06-18 18:00 128.1
15 2019-06-19 15:00 122.4
16 2019-06-24 18:00 123.0
17 2019-06-26 17:00 144.5
18 2019-06-27 17:00 127.5
19 2019-06-29 17:00 147.8
20 2019-06-30 18:00 134.2
21 2019-07-01 14:00 129.4
22 2019-07-04 18:00 120.6
23 2019-07-06 18:00 142.2
24 2019-07-07 00:00 122.1
25 2019-07-20 17:00 132.4
26 2019-07-24 17:00 131.4
27 2019-07-25 17:00 149.9
28 2019-07-26 15:00 136.8
29 2019-07-29 16:00 127.9
30 2019-08-29 16:00 126.0
31 2019-08-30 16:00 144.1
32 2019-08-31 17:00 133.4