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: MPRRA
Locality: Přerov
Sequence Date Value
1 2018-04-21 16:00 120.2
2 2018-05-13 17:00 125.8
3 2018-05-24 17:00 128.4
4 2018-05-26 17:00 130.5
5 2018-05-27 15:00 133.4
6 2018-05-31 17:00 125.3
7 2018-06-04 17:00 125.5
8 2018-06-07 18:00 125.2
9 2018-06-11 17:00 128.2
10 2018-06-29 18:00 122.0
11 2018-07-04 17:00 145.4
12 2018-07-05 16:00 156.3
13 2018-07-06 14:00 129.1
14 2018-07-21 17:00 128.9
15 2018-07-23 17:00 132.0
16 2018-07-24 16:00 137.4
17 2018-07-29 18:00 123.2
18 2018-07-30 17:00 127.8
19 2018-07-31 17:00 120.6
20 2018-08-02 18:00 123.2
21 2018-08-03 18:00 122.9
22 2018-08-04 17:00 125.8
23 2018-08-05 16:00 127.2
24 2018-08-07 17:00 125.4
25 2018-08-08 17:00 132.1
26 2018-08-09 16:00 138.4
27 2018-08-18 17:00 125.6
28 2018-08-19 17:00 143.8
29 2018-08-20 16:00 128.4
30 2018-08-22 18:00 120.0
31 2018-08-23 16:00 130.6
32 2018-09-12 17:00 122.7
33 2018-09-20 17:00 121.0
34 2018-09-21 16:00 120.0