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: TOFFA
Locality: Ostrava-Fifejdy
Sequence Date Value
1 2021-01-02 00:00 107.8
2 2021-01-03 00:00 129.0
3 2021-01-04 00:00 130.2
4 2021-01-18 00:00 68.8
5 2021-01-31 00:00 51.6
6 2021-02-01 00:00 137.7
7 2021-02-05 00:00 60.7
8 2021-02-09 00:00 105.5
9 2021-02-10 00:00 116.9
10 2021-02-11 00:00 51.9
11 2021-02-15 00:00 76.6
12 2021-02-24 00:00 51.8
13 2021-02-25 00:00 60.5
14 2021-02-26 00:00 61.8
15 2021-03-04 00:00 54.4
16 2021-03-09 00:00 52.3
17 2021-03-10 00:00 76.7
18 2021-10-08 00:00 53.6
19 2021-10-10 00:00 53.5
20 2021-11-15 00:00 55.5
21 2021-11-16 00:00 50.5
22 2021-11-17 00:00 51.7
23 2021-12-07 00:00 53.5
24 2021-12-09 00:00 53.5
25 2021-12-12 00:00 55.0
26 2021-12-13 00:00 52.4
27 2021-12-26 00:00 91.0
28 2021-12-27 00:00 117.7
29 2021-12-28 00:00 107.6