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: TCTNA
Locality: Český Těšín
Sequence Date Value
1 2021-01-02 00:00 54.0
2 2021-01-04 00:00 94.5
3 2021-01-06 00:00 55.9
4 2021-01-11 00:00 50.4
5 2021-01-18 00:00 60.2
6 2021-01-31 00:00 61.2
7 2021-02-01 00:00 127.2
8 2021-02-02 00:00 50.1
9 2021-02-05 00:00 65.7
10 2021-02-09 00:00 134.8
11 2021-02-10 00:00 161.8
12 2021-02-11 00:00 61.9
13 2021-02-15 00:00 67.1
14 2021-02-22 00:00 60.2
15 2021-02-24 00:00 69.5
16 2021-02-25 00:00 77.8
17 2021-02-26 00:00 68.0
18 2021-03-09 00:00 52.9
19 2021-03-10 00:00 64.4
20 2021-03-25 00:00 50.1
21 2021-03-26 00:00 62.7
22 2021-07-17 00:00 55.0
23 2021-10-10 00:00 51.1
24 2021-11-12 00:00 51.8
25 2021-11-13 00:00 51.6
26 2021-11-15 00:00 55.3
27 2021-12-07 00:00 50.1
28 2021-12-08 00:00 51.3
29 2021-12-09 00:00 65.8
30 2021-12-12 00:00 82.3
31 2021-12-13 00:00 50.5
32 2021-12-26 00:00 100.8
33 2021-12-27 00:00 137.3
34 2021-12-28 00:00 120.2