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: ULOMA
Locality: Lom
Sequence Date Value
1 2019-04-19 17:00 125.4
2 2019-04-20 17:00 129.5
3 2019-04-21 17:00 124.5
4 2019-05-24 17:00 126.2
5 2019-06-04 17:00 126.6
6 2019-06-05 17:00 121.5
7 2019-06-14 16:00 130.0
8 2019-06-15 17:00 120.9
9 2019-06-24 17:00 129.6
10 2019-06-25 17:00 137.4
11 2019-06-26 17:00 157.4
12 2019-06-27 00:00 129.3
13 2019-06-29 17:00 129.1
14 2019-06-30 16:00 133.1
15 2019-07-01 15:00 141.4
16 2019-07-06 17:00 134.2
17 2019-07-24 17:00 133.2
18 2019-07-25 17:00 152.9
19 2019-08-26 16:00 122.2
20 2019-08-30 16:00 129.9
21 2019-08-31 17:00 137.2