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-brand Ostrava AIM
Code of the measuring programme: TCERA
Locality: Červená hora
Sequence Date Value
1 2020-04-09 18:00 127.3
2 2020-04-23 23:00 124.8
3 2020-04-24 22:00 127.9
4 2020-04-25 00:00 125.4
5 2020-05-09 21:00 132.4
6 2020-05-10 00:00 129.8
7 2020-05-18 23:00 130.6
8 2020-05-19 00:00 127.6
9 2020-06-13 16:00 122.7
10 2020-07-24 17:00 121.7
11 2020-08-07 22:00 126.6
12 2020-08-08 22:00 133.0
13 2020-08-09 23:00 137.7
14 2020-08-10 00:00 138.3
15 2020-08-12 22:00 144.5
16 2020-08-13 00:00 135.4
17 2020-08-14 00:00 121.6
18 2020-08-15 18:00 125.1
19 2020-08-21 01:00 121.3