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: TOPRA
Locality: Ostrava-Přívoz
Sequence Date Value
1 2021-01-02 00:00 112.2
2 2021-01-03 00:00 134.2
3 2021-01-04 00:00 134.1
4 2021-01-11 00:00 50.6
5 2021-01-18 00:00 70.8
6 2021-01-31 00:00 59.0
7 2021-02-01 00:00 136.5
8 2021-02-05 00:00 63.5
9 2021-02-09 00:00 108.1
10 2021-02-10 00:00 113.8
11 2021-02-11 00:00 51.2
12 2021-02-15 00:00 79.3
13 2021-02-18 00:00 50.7
14 2021-02-19 00:00 51.0
15 2021-02-24 00:00 57.4
16 2021-02-25 00:00 65.7
17 2021-02-26 00:00 66.8
18 2021-03-04 00:00 58.5
19 2021-03-09 00:00 57.7
20 2021-03-10 00:00 79.4
21 2021-03-11 00:00 52.2
22 2021-03-25 00:00 53.1
23 2021-03-26 00:00 56.9
24 2021-10-08 00:00 59.8
25 2021-11-15 00:00 57.7
26 2021-11-16 00:00 55.6
27 2021-11-17 00:00 58.9
28 2021-12-07 00:00 54.2
29 2021-12-09 00:00 54.7
30 2021-12-12 00:00 52.6
31 2021-12-13 00:00 57.1
32 2021-12-26 00:00 74.2
33 2021-12-28 00:00 105.6