Information about air quality in the Czech Republic

Year: 2021

Preliminary overview of the ambient limits exceedances

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

Updated: 2022-06-30 08:42 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: PM₁₀ - particles PM10
Averaging interval: 24 hours
Unit: µg/m³
Ambient limit: 50
Max. permissible number of exceedances: 35
Owner: ČHMÚ
Data supplier: ČHMÚ - pob.Ostrava
Code of the measuring programme: TPISM
Locality: Písečná
Sequence Date Value
1 2021-01-04 00:00 63.6
2 2021-01-31 00:00 50.7
3 2021-02-01 00:00 67.0
4 2021-02-05 00:00 60.3
5 2021-02-06 00:00 56.6
6 2021-02-08 00:00 60.9
7 2021-02-09 00:00 126.4
8 2021-02-10 00:00 129.5
9 2021-02-24 00:00 54.2
10 2021-02-25 00:00 54.5
11 2021-02-26 00:00 53.0
12 2021-12-08 00:00 51.5
13 2021-12-09 00:00 63.9
14 2021-12-13 00:00 54.6
15 2021-12-14 00:00 50.8
16 2021-12-22 00:00 54.3
17 2021-12-26 00:00 53.3
18 2021-12-27 00:00 76.6