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: BMISA
Locality: Mikulov-Sedlec
Sequence Date Value
1 2020-04-09 20:00 125.5
2 2020-04-23 22:00 121.0
3 2020-04-24 18:00 121.8
4 2020-05-08 22:00 123.3
5 2020-05-09 17:00 131.1
6 2020-05-10 15:00 121.6
7 2020-05-18 21:00 137.4
8 2020-05-19 18:00 132.0
9 2020-07-10 16:00 120.1
10 2020-07-24 16:00 125.4
11 2020-07-30 17:00 123.3
12 2020-08-08 17:00 131.4
13 2020-08-16 16:00 120.3
14 2020-08-20 18:00 121.2