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: HPLOA
Locality: Polom
Sequence Date Value
1 2020-03-28 19:00 122.6
2 2020-04-09 17:00 128.9
3 2020-04-23 20:00 121.1
4 2020-04-24 21:00 134.4
5 2020-04-25 01:00 130.9
6 2020-04-28 17:00 121.9
7 2020-05-08 21:00 124.2
8 2020-05-09 20:00 135.6
9 2020-05-10 00:00 126.9
10 2020-05-19 15:00 122.6
11 2020-06-27 18:00 124.4
12 2020-07-24 16:00 124.6
13 2020-08-07 23:00 137.6
14 2020-08-08 04:00 143.5
15 2020-08-09 00:00 141.1
16 2020-08-10 01:00 123.7
17 2020-08-11 17:00 122.6
18 2020-08-12 21:00 125.2
19 2020-08-13 07:00 127.6
20 2020-08-14 00:00 120.3
21 2020-08-20 20:00 120.8
22 2020-09-14 03:00 124.2
23 2020-09-16 23:00 122.4
24 2020-09-17 01:00 123.6