Information about air quality in the Czech Republic

Year: 2018

Preliminary overview of the ambient limits exceedances

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

Updated: 2019-06-30 04:46 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: CHMI-brand Ostrava AIM
Code of the measuring programme: TTROA
Locality: Třinec-Kosmos
Sequence Date Value
1 2018-04-25 17:00 123.4
2 2018-05-24 17:00 127.9
3 2018-05-26 17:00 142.7
4 2018-05-31 15:00 125.2
5 2018-06-04 17:00 135.0
6 2018-06-05 17:00 133.3
7 2018-06-11 17:00 128.9
8 2018-06-19 16:00 126.3
9 2018-06-20 16:00 124.0
10 2018-07-04 17:00 143.9
11 2018-07-05 16:00 165.0
12 2018-07-06 15:00 144.4
13 2018-07-21 17:00 135.1
14 2018-07-23 17:00 121.0
15 2018-07-24 17:00 147.0
16 2018-07-29 18:00 123.9
17 2018-08-03 17:00 121.1
18 2018-08-04 17:00 120.8
19 2018-08-05 16:00 124.5
20 2018-08-09 15:00 124.2
21 2018-08-18 17:00 125.5
22 2018-08-19 16:00 144.8
23 2018-08-20 16:00 123.3
24 2018-08-23 16:00 124.3
25 2018-09-21 20:00 127.9