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: TOPOA
Locality: Ostrava-Poruba ČHMÚ
Sequence Date Value
1 2021-01-02 00:00 74.7
2 2021-01-03 00:00 94.9
3 2021-01-04 00:00 105.4
4 2021-01-18 00:00 69.3
5 2021-02-01 00:00 112.0
6 2021-02-05 00:00 50.5
7 2021-02-09 00:00 81.1
8 2021-02-10 00:00 99.3
9 2021-02-15 00:00 75.8
10 2021-02-24 00:00 53.3
11 2021-02-25 00:00 56.9
12 2021-02-26 00:00 59.1
13 2021-03-04 00:00 54.7
14 2021-03-10 00:00 58.6
15 2021-03-11 00:00 50.9
16 2021-03-26 00:00 50.1
17 2021-11-15 00:00 55.5
18 2021-12-09 00:00 55.0
19 2021-12-13 00:00 58.1
20 2021-12-14 00:00 51.5
21 2021-12-15 00:00 52.0
22 2021-12-26 00:00 73.2
23 2021-12-27 00:00 116.9
24 2021-12-28 00:00 103.0