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: VČs
Data supplier: ČHMÚ - Libuš AIM
Code of the measuring programme: STCSA
Locality: Tobolka-Čertovy schody
Sequence Date Value
1 2020-04-06 18:00 122.1
2 2020-04-07 17:00 120.2
3 2020-04-09 17:00 130.4
4 2020-04-17 18:00 125.7
5 2020-04-18 17:00 122.6
6 2020-04-23 19:00 123.9
7 2020-04-24 19:00 132.3
8 2020-04-25 00:00 127.2
9 2020-05-08 18:00 134.0
10 2020-05-09 16:00 134.8
11 2020-08-01 20:00 126.5
12 2020-08-06 17:00 121.2
13 2020-08-07 19:00 123.3
14 2020-08-08 19:00 142.8
15 2020-08-09 18:00 138.5
16 2020-08-10 00:00 124.6
17 2020-08-12 17:00 121.3
18 2020-08-13 17:00 120.8
19 2020-09-16 18:00 120.7