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: MPRRA
Locality: Přerov
Sequence Date Value
1 2021-01-04 00:00 53.4
2 2021-01-18 00:00 68.7
3 2021-02-01 00:00 86.4
4 2021-02-02 00:00 52.8
5 2021-02-09 00:00 79.5
6 2021-02-10 00:00 109.9
7 2021-02-15 00:00 85.7
8 2021-02-16 00:00 56.5
9 2021-02-19 00:00 55.6
10 2021-02-20 00:00 52.3
11 2021-02-22 00:00 54.4
12 2021-02-24 00:00 56.6
13 2021-02-25 00:00 81.5
14 2021-02-26 00:00 73.4
15 2021-03-04 00:00 64.1
16 2021-03-10 00:00 50.6
17 2021-03-25 00:00 51.5
18 2021-03-26 00:00 52.7
19 2021-10-08 00:00 51.8
20 2021-10-27 00:00 53.1
21 2021-12-09 00:00 54.4
22 2021-12-13 00:00 69.8
23 2021-12-14 00:00 85.7
24 2021-12-15 00:00 69.4
25 2021-12-26 00:00 52.6
26 2021-12-27 00:00 105.0
27 2021-12-28 00:00 58.3