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).

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: ZSNVA
Locality: Štítná n.Vláří
Sequence Date Value
1 2020-04-09 15:00 129.9
2 2020-04-17 17:00 121.8
3 2020-04-23 23:00 120.2
4 2020-04-24 19:00 123.6
5 2020-05-09 21:00 131.6
6 2020-05-10 00:00 125.7
7 2020-05-18 23:00 136.6
8 2020-05-19 00:00 136.4
9 2020-06-27 23:00 122.8
10 2020-06-28 01:00 124.4
11 2020-07-30 21:00 121.6