NO₂ - HPLOA

Detailed overview of air pollution values for the measuring programme

Year: 2021
Matter: NO₂ - nitrogen dioxide
Locality: Polom
Measuring programme: HPLOA
Organization: CHMI
Region: Kralovehradecky
District: Rychnov nad Kneznou
Unit: µg/m³
Measuring method: chemiluminescence
Average daily concentrations in specific units
Day/Month 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 X Max. N
1 2.1 1.7 1.9 4.0 9.5 6.6 6.9 8.3 8.4 5.6 5.7 6.6 6.7 3.9 3.7 4.4 2.8 7.9 7.0 5.1 2.2 3.2 4.2 4.0 4.5 8.1 6.3 8.3 9.9 3.6 1.1 5.3 9.9 31
2 1.4 7.4 5.7 4.5 3.7 5.4 5.4 6.6 7.8 7.1 3.3 2.8 2.1 3.9 1.7 6.2 7.1 2.2 3.5 1.3 1.6 2.9 1.5 2.0 3.2 6.1 1.7 1.2 3.9 7.8 28
3 2.6 2.0 3.8 11.9 2.1 2.8 3.3 1.6 1.5 2.0 4.9 2.8 1.5 1.7 4.1 3.4 3.3 1.8 1.8 1.8 4.1 1.7 3.7 2.8 2.4 2.2 2.5 2.4 4.0 3.3 2.2 3.0 11.9 31
4 3.7 2.7 1.2 1.5 1.9 3.1 2.8 2.6 2.9 2.9 1.0 2.7 2.0 1.3 2.4 2.9 2.2 1.7 2.2 1.2 3.0 2.3 2.3 2.2 1.1 2.3 2.8 2.3 3.7 27
5 2.2 2.5 1.5 2.0 2.7 2.6 2.3 2.2 1.5 1.5 1.2 2.2 2.3 2.8 1.1 1.0 2.4 2.4 1.2 1.3 1.7 1.8 1.6 1.1 2.4 2.0 2.0 1.7 1.0 1.0 1.4 1.8 2.8 31
6 1.0 1.3 1.2 1.1 1.1 1.1 1.0 1.1 1.1 1.3 1.5 1.5 1.0 1.0 1.2 1.1 1.4 1.0 1.0 1.0 1.0 2.0 1.2 1.5 1.2 1.1 1.6 1.4 1.6 1.9 1.3 2.0 30
7 1.0 1.0 1.2 1.2 1.2 1.0 1.0 1.1 1.9 1.8 1.8 1.7 1.4 2.0 2.0 14
8 1.1 2.5 1.7 1.1 2.2 1.7 1.7 1.4 1.5 1.3 1.3 1.1 1.4 1.7 1.6 1.8 2.3 3.2 3.5 3.6 1.6 1.5 2.9 1.8 1.9 2.3 2.5 1.2 1.0 1.7 1.5 1.9 3.6 31
9 1.1 1.1 1.7 1.1 1.0 1.0 1.9 1.1 1.1 1.0 1.3 1.1 1.2 1.0 1.4 3.9 2.4 2.3 1.0 1.5 2.9 2.4 4.4 2.0 3.3 1.4 2.3 2.2 3.2 2.9 1.9 4.4 30
10 1.5 1.1 1.0 1.3 2.0 2.6 3.0 4.3 2.4 1.6 6.1 3.3 2.1 6.8 4.6 1.0 2.6 4.9 3.9 3.9 2.9 4.2 2.1 1.0 2.4 5.0 5.6 1.6 1.5 1.4 1.0 2.9 6.8 31
11 2.1 4.7 3.2 4.3 6.5 6.4 4.3 5.4 1.8 5.3 5.0 4.1 4.9 3.4 2.7 6.9 9.5 8.4 6.9 4.1 2.7 8.2 5.8 6.1 8.2 6.6 4.2 7.2 7.6 5.4 9.5 29
12 5.1 4.2 6.9 4.7 7.4 8.1 4.0 2.5 4.1 10.9 5.8 4.8 4.1 6.1 9.7 10.0 3.6 5.2 3.3 2.3 3.3 2.9 7.1 6.5 1.5 1.2 1.0 3.6 6.3 7.3 5.4 5.1 10.9 31