Information about air quality in the Czech Republic

Year: 2020

Preliminary overview of the ambient limits exceedances

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

Updated: 2021-06-30 06:00 CEST

Values given regardless of whether the number of valid measurement meets the criteria for calculating the aggregated data (annual average).

CHMI is responsible for data completeness and quality only at the stations that are administered by CHMI (see the entry "Owner" indicated with the published data).

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: ZÚ, SMOva
Data supplier: KHS-Ostrava
Code of the measuring programme: TOROK
Locality: Ostrava-Radvanice OZO
Sequence Date Value
1 2020-04-09 17:00 121.9
2 2020-05-09 17:00 127.5
3 2020-06-12 18:00 127.1
4 2020-06-13 15:00 133.4
5 2020-06-15 17:00 128.5
6 2020-06-27 18:00 122.1
7 2020-07-04 16:00 121.6
8 2020-07-10 18:00 127.6
9 2020-07-24 17:00 120.9
10 2020-07-30 17:00 126.5
11 2020-08-07 17:00 120.0
12 2020-08-08 16:00 122.6
13 2020-08-12 17:00 140.0
14 2020-08-13 16:00 123.5
15 2020-08-15 17:00 121.5