Information about air quality in the Czech Republic

Year: 2019

Preliminary overview of the ambient limits exceedances

calculated of both operational data (yet unverified) and verified data

Updated: 2020-06-30 05:19 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. Plzeň
Code of the measuring programme: CHVOA
Locality: Hojná Voda
Sequence Date Value
1 2019-04-19 23:00 121.5
2 2019-04-20 03:00 124.9
3 2019-04-21 16:00 125.2
4 2019-04-22 00:00 122.6
5 2019-06-14 23:00 128.1
6 2019-06-15 00:00 127.6
7 2019-06-18 21:00 125.4
8 2019-06-27 14:00 139.1
9 2019-06-30 19:00 135.7
10 2019-07-01 00:00 131.8
11 2019-07-06 20:00 124.2
12 2019-07-26 16:00 133.9
13 2019-08-31 19:00 120.9