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: ZTNVA
Locality: Těšnovice
Sequence Date Value
1 2019-04-19 16:00 132.4
2 2019-04-20 17:00 124.8
3 2019-06-14 19:00 122.2
4 2019-06-15 17:00 128.4
5 2019-06-18 17:00 129.5
6 2019-06-26 16:00 127.1
7 2019-06-27 15:00 125.0
8 2019-06-30 16:00 121.6
9 2019-07-06 17:00 130.3
10 2019-07-20 16:00 130.2
11 2019-07-26 16:00 135.9
12 2019-08-30 17:00 126.4
13 2019-08-31 16:00 123.4