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: CHMI-Brno AIM
Code of the measuring programme: BBNYA
Locality: Brno-Tuřany
Sequence Date Value
1 2019-04-09 16:00 124.6
2 2019-04-19 16:00 132.6
3 2019-04-20 16:00 133.0
4 2019-04-21 16:00 121.9
5 2019-05-02 16:00 120.1
6 2019-05-25 16:00 121.8
7 2019-05-26 16:00 129.1
8 2019-06-12 16:00 120.9
9 2019-06-13 17:00 123.8
10 2019-06-14 17:00 122.0
11 2019-06-15 16:00 134.1
12 2019-06-18 17:00 123.8
13 2019-06-19 15:00 122.4
14 2019-06-24 17:00 121.3
15 2019-06-26 17:00 141.6
16 2019-06-27 15:00 124.8
17 2019-06-29 17:00 128.2
18 2019-06-30 16:00 134.5
19 2019-07-01 14:00 139.3
20 2019-07-06 17:00 124.0
21 2019-07-19 16:00 128.1
22 2019-07-20 17:00 138.4
23 2019-07-25 18:00 140.7
24 2019-07-26 16:00 152.2
25 2019-07-29 17:00 125.8
26 2019-08-28 17:00 134.5
27 2019-08-29 15:00 126.6
28 2019-08-30 16:00 131.2
29 2019-08-31 16:00 130.5
30 2019-09-01 15:00 127.5
31 2019-09-05 18:00 120.8