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: MOLJA
Locality: Olomouc-Hejčín
Sequence Date Value
1 2021-01-18 00:00 76.2
2 2021-01-19 00:00 54.4
3 2021-02-01 00:00 63.8
4 2021-02-02 00:00 56.0
5 2021-02-09 00:00 61.4
6 2021-02-10 00:00 100.0
7 2021-02-15 00:00 83.8
8 2021-02-16 00:00 58.6
9 2021-02-19 00:00 64.9
10 2021-02-24 00:00 59.0
11 2021-02-25 00:00 79.3
12 2021-02-26 00:00 82.5
13 2021-03-03 00:00 56.3
14 2021-03-04 00:00 71.2
15 2021-03-09 00:00 51.2
16 2021-03-10 00:00 64.1
17 2021-03-25 00:00 59.5
18 2021-03-26 00:00 61.0
19 2021-10-26 00:00 51.4
20 2021-10-27 00:00 70.4
21 2021-12-13 00:00 78.7
22 2021-12-14 00:00 91.7
23 2021-12-15 00:00 75.0
24 2021-12-28 00:00 52.4
25 2021-12-31 00:00 63.6