Information about air quality in the Czech Republic

Year: 2023

Preliminary overview of the ambient limits exceedances

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

Updated: 2024-05-05 05:48 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 2023-06-20 16:00 128
2 2023-06-26 18:00 126
3 2023-06-29 18:00 125
4 2023-07-08 17:00 131
5 2023-07-09 17:00 136
6 2023-07-11 18:00 122
7 2023-07-14 18:00 128
8 2023-07-15 17:00 128
9 2023-07-19 17:00 121
10 2023-08-15 16:00 123
11 2023-08-20 17:00 126
12 2023-08-24 16:00 129
13 2023-09-10 16:00 121
14 2023-09-11 17:00 137
15 2023-09-12 16:00 137