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: TKARA
Locality: Karviná
Sequence Date Value
1 2019-04-20 17:00 121.9
2 2019-05-25 17:00 123.0
3 2019-05-31 18:00 120.9
4 2019-06-13 16:00 125.4
5 2019-06-14 18:00 157.7
6 2019-06-17 17:00 125.9
7 2019-06-18 17:00 120.0
8 2019-06-26 18:00 128.9
9 2019-06-27 17:00 126.4
10 2019-07-01 15:00 139.9
11 2019-07-06 17:00 135.0
12 2019-07-20 17:00 129.8
13 2019-07-26 16:00 124.0
14 2019-07-28 16:00 125.4
15 2019-07-29 18:00 127.3
16 2019-08-06 17:00 121.1
17 2019-08-29 16:00 132.8
18 2019-08-31 16:00 124.3