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: ČHMÚ - pob.Hradec Králové
Code of the measuring programme: SMBOA
Locality: Mladá Boleslav
Sequence Date Value
1 2018-04-19 17:00 123.8
2 2018-04-21 19:00 137.6
3 2018-04-22 17:00 132.9
4 2018-05-08 17:00 120.6
5 2018-05-13 19:00 122.9
6 2018-05-22 17:00 123.2
7 2018-05-24 17:00 122.1
8 2018-05-26 17:00 129.1
9 2018-05-27 16:00 140.1
10 2018-05-28 15:00 134.0
11 2018-05-29 16:00 134.1
12 2018-05-31 17:00 140.8
13 2018-06-04 17:00 128.1
14 2018-06-07 17:00 136.8
15 2018-06-08 16:00 126.2
16 2018-06-11 16:00 121.3
17 2018-06-16 16:00 126.2
18 2018-06-17 16:00 133.1
19 2018-07-03 18:00 122.7
20 2018-07-04 17:00 152.9
21 2018-07-05 17:00 169.1
22 2018-07-06 00:00 130.0
23 2018-07-16 18:00 121.8
24 2018-07-20 19:00 134.2
25 2018-07-21 20:00 140.5
26 2018-07-22 00:00 130.0
27 2018-07-28 17:00 141.5
28 2018-07-29 15:00 137.6
29 2018-08-03 16:00 123.1
30 2018-08-04 16:00 154.6
31 2018-08-07 16:00 138.0
32 2018-08-09 17:00 152.5
33 2018-08-13 16:00 127.0
34 2018-08-17 17:00 122.7
35 2018-08-18 18:00 130.1
36 2018-08-19 17:00 147.3
37 2018-08-20 15:00 140.9
38 2018-08-22 18:00 126.3
39 2018-08-23 16:00 145.0
40 2018-08-29 17:00 123.9
41 2018-09-12 17:00 128.8
42 2018-09-19 16:00 121.5