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-brand Ostrava AIM
Code of the measuring programme: TTROA
Locality: Třinec-Kosmos
Sequence Date Value
1 2019-04-19 16:00 128.5
2 2019-04-20 16:00 128.1
3 2019-04-21 17:00 121.3
4 2019-05-25 17:00 127.4
5 2019-05-26 17:00 122.8
6 2019-06-14 18:00 147.4
7 2019-06-17 18:00 129.3
8 2019-06-25 17:00 124.2
9 2019-06-26 17:00 122.8
10 2019-06-29 17:00 122.3
11 2019-07-01 16:00 139.6
12 2019-07-06 18:00 133.5
13 2019-07-26 16:00 135.6
14 2019-07-29 17:00 130.0