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-pobočka Ústí n/Labem-AIM
Code of the measuring programme: LLILA
Locality: Liberec Rochlice
Sequence Date Value
1 2019-04-18 18:00 123.9
2 2019-04-19 17:00 141.0
3 2019-04-20 17:00 132.4
4 2019-06-10 17:00 122.9
5 2019-06-14 17:00 125.4
6 2019-06-15 06:00 127.2
7 2019-06-18 18:00 121.2
8 2019-06-19 16:00 129.4
9 2019-06-24 18:00 122.7
10 2019-06-25 18:00 129.4
11 2019-06-26 18:00 156.7
12 2019-06-27 00:00 132.7
13 2019-06-30 17:00 140.1
14 2019-07-01 15:00 146.4
15 2019-07-06 17:00 133.9
16 2019-07-20 19:00 127.4
17 2019-07-29 17:00 128.6
18 2019-07-30 18:00 123.1
19 2019-08-28 17:00 131.8
20 2019-08-29 14:00 129.3
21 2019-08-30 17:00 137.9
22 2019-08-31 16:00 137.5
23 2019-09-01 13:00 120.4