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: CHMI-brand Ostrava AIM
Code of the measuring programme: TOZRA
Locality: Ostrava-Zábřeh
Sequence Date Value
1 2021-01-02 00:00 100.1
2 2021-01-03 00:00 129.6
3 2021-01-04 00:00 133.0
4 2021-01-18 00:00 62.6
5 2021-01-31 00:00 51.5
6 2021-02-01 00:00 144.6
7 2021-02-05 00:00 63.2
8 2021-02-09 00:00 104.8
9 2021-02-10 00:00 125.5
10 2021-02-11 00:00 52.7
11 2021-02-15 00:00 67.9
12 2021-02-24 00:00 50.5
13 2021-02-25 00:00 53.3
14 2021-02-26 00:00 58.4
15 2021-03-04 00:00 51.0
16 2021-03-09 00:00 52.4
17 2021-03-10 00:00 80.2
18 2021-10-08 00:00 54.3
19 2021-10-10 00:00 52.8
20 2021-11-15 00:00 58.2
21 2021-12-07 00:00 51.5
22 2021-12-09 00:00 58.0
23 2021-12-12 00:00 53.4
24 2021-12-26 00:00 95.2
25 2021-12-27 00:00 132.7
26 2021-12-28 00:00 126.7