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-pobočka Ústí n/Labem-AIM
Code of the measuring programme: ULTTA
Locality: Litoměřice
Sequence Date Value
1 2020-04-24 18:00 131.6
2 2020-05-08 19:00 126.8
3 2020-05-09 18:00 134.1
4 2020-08-01 18:00 121.5
5 2020-08-07 16:00 122.2
6 2020-08-08 17:00 128.5
7 2020-08-09 16:00 137.4
8 2020-08-12 17:00 127.8
9 2020-08-13 16:00 133.0
10 2020-08-17 16:00 129.9
11 2020-08-21 17:00 134.2
12 2020-09-16 19:00 131.7