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: 2024-05-06 05:49 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-Brno AIM
Code of the measuring programme: BMISA
Locality: Mikulov-Sedlec
Sequence Date Value
1 2023-06-01 17:00 123
2 2023-06-19 17:00 129
3 2023-06-20 17:00 140
4 2023-06-30 17:00 127
5 2023-07-08 19:00 129
6 2023-07-09 17:00 137
7 2023-07-10 13:00 125
8 2023-07-11 18:00 126
9 2023-07-15 17:00 126
10 2023-08-14 16:00 121
11 2023-08-15 17:00 121
12 2023-08-20 22:00 129
13 2023-08-21 00:00 125
14 2023-08-22 16:00 123
15 2023-08-23 17:00 121
16 2023-08-24 17:00 132
17 2023-08-25 16:00 123
18 2023-09-11 19:00 126
19 2023-09-12 19:00 134