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: BBNYA
Locality: Brno-Tuřany
Sequence Date Value
1 2020-04-09 18:00 123.0
2 2020-04-24 17:00 120.2
3 2020-05-08 17:00 121.3
4 2020-05-09 15:00 135.7
5 2020-05-10 15:00 125.7
6 2020-05-18 17:00 129.9
7 2020-05-19 15:00 127.6
8 2020-07-10 16:00 122.4
9 2020-07-23 17:00 120.4
10 2020-07-24 15:00 121.9
11 2020-07-30 16:00 124.2
12 2020-08-08 16:00 124.6
13 2020-08-12 16:00 125.1
14 2020-08-13 16:00 125.7
15 2020-08-16 17:00 121.3
16 2020-08-20 17:00 126.3