Information about air quality in the Czech Republic

Year: 2017

Preliminary overview of the ambient limits exceedances

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

Updated: 2018-06-30 03:47 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: TOVKA
Locality: Opava-Kateřinky
Sequence Date Value
1 2017-05-17 17:00 122.5
2 2017-05-19 18:00 122.5
3 2017-06-03 17:00 134.7
4 2017-06-28 18:00 121.6
5 2017-07-19 17:00 122.9
6 2017-07-20 16:00 126.4
7 2017-08-01 17:00 135.0
8 2017-08-03 15:00 123.8
9 2017-08-10 17:00 120.4
10 2017-08-11 17:00 125.7
11 2017-08-31 17:00 123.4