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: ČHMÚ - pob.Hradec Králové
Code of the measuring programme: HKRYA
Locality: Krkonoše-Rýchory
Sequence Date Value
1 2020-04-09 16:00 121.4
2 2020-04-24 21:00 127.6
3 2020-04-25 00:00 122.7
4 2020-05-08 23:00 120.4
5 2020-05-09 21:00 135.1
6 2020-05-10 00:00 131.3
7 2020-08-07 23:00 140.9
8 2020-08-08 05:00 146.5
9 2020-08-09 02:00 144.9
10 2020-08-10 00:00 124.2
11 2020-08-11 01:00 121.4
12 2020-08-12 23:00 130.2
13 2020-08-13 01:00 130.7
14 2020-08-14 00:00 128.1
15 2020-08-15 02:00 121.4
16 2020-08-17 23:00 121.9
17 2020-08-18 00:00 122.9
18 2020-09-16 23:00 140.2
19 2020-09-17 01:00 144.1