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: CHMI-brand Ostrava AIM
Code of the measuring programme: TCERA
Locality: Červená hora
Sequence Date Value
1 2019-04-08 17:00 123.4
2 2019-04-19 16:00 135.5
3 2019-04-20 17:00 127.3
4 2019-04-21 20:00 124.2
5 2019-04-22 01:00 122.2
6 2019-05-25 23:00 122.8
7 2019-05-26 01:00 124.9
8 2019-06-04 18:00 123.3
9 2019-06-05 16:00 121.4
10 2019-06-12 22:00 121.4
11 2019-06-14 22:00 127.3
12 2019-06-15 19:00 137.8
13 2019-06-16 00:00 125.3
14 2019-06-18 19:00 133.4
15 2019-06-19 00:00 121.1
16 2019-06-20 23:00 125.4
17 2019-06-21 00:00 125.1
18 2019-06-24 18:00 127.3
19 2019-06-26 20:00 131.6
20 2019-06-27 00:00 124.7
21 2019-06-30 17:00 125.8
22 2019-07-01 15:00 132.3
23 2019-07-06 21:00 135.1
24 2019-07-07 00:00 128.8
25 2019-07-19 16:00 130.9
26 2019-07-20 22:00 138.4
27 2019-07-21 00:00 134.3
28 2019-07-25 23:00 125.1
29 2019-07-26 00:00 124.9
30 2019-07-28 15:00 120.1
31 2019-08-28 23:00 129.9
32 2019-08-29 01:00 130.4
33 2019-08-30 18:00 124.6
34 2019-08-31 17:00 125.3
35 2019-09-01 17:00 123.2