NOₓ - HPLOA

Detailed overview of air pollution values for the measuring programme

Year: 2021
Matter: NOₓ - nitrogen oxides
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 2.5 2.1 2.3 4.2 10.2 7.2 7.5 9.1 10.0 6.8 6.5 7.1 7.4 4.4 4.2 5.1 3.5 8.5 7.6 5.9 2.8 3.7 4.6 4.4 5.2 8.9 7.1 9.1 10.8 4.1 1.6 5.9 10.8 31
2 1.6 8.3 6.1 4.9 4.3 6.2 6.0 7.7 9.4 8.5 3.9 3.5 2.7 4.7 1.7 7.1 8.5 3.3 5.0 2.3 3.0 4.1 2.8 2.9 4.4 8.0 2.8 2.7 4.9 9.4 28
3 4.0 2.9 5.0 14.0 3.5 4.3 4.6 2.9 2.2 3.3 6.2 3.9 2.7 3.0 5.3 4.7 4.3 2.7 3.0 2.6 5.3 3.0 5.0 3.7 3.5 3.0 3.4 3.5 5.1 4.3 3.2 4.1 14.0 31
4 4.6 3.6 1.8 1.9 2.8 4.5 4.1 3.7 3.9 4.1 1.9 3.7 3.2 2.4 3.4 4.0 3.4 2.6 3.1 1.7 4.0 3.3 3.3 3.2 1.3 3.4 3.8 3.2 4.6 27
5 3.1 3.4 2.7 3.0 3.6 3.6 3.3 3.4 2.4 2.6 2.1 3.2 3.2 3.6 1.7 1.5 3.3 3.2 2.1 2.3 2.6 2.5 2.4 1.7 3.5 3.0 3.0 2.5 1.2 1.1 2.0 2.7 3.6 31
6 1.6 2.3 1.3 1.9 1.9 1.7 1.6 1.5 1.8 1.9 2.6 2.4 1.5 1.6 2.0 2.0 2.1 1.4 1.4 1.5 2.0 3.0 2.1 2.5 2.4 1.6 2.5 1.8 2.2 2.8 2.0 3.0 30
7 1.5 1.0 1.5 1.8 1.5 1.2 1.3 1.4 2.4 2.2 2.2 2.1 1.8 2.3 2.4 14
8 1.7 3.1 2.2 1.3 2.7 1.9 2.0 1.8 2.0 1.7 1.7 1.1 1.7 2.2 2.1 2.6 2.9 3.8 4.2 4.4 1.9 1.9 3.5 2.4 2.3 2.8 3.3 1.6 1.0 2.1 2.0 2.3 4.4 31
9 1.3 1.5 2.2 1.5 1.0 1.2 2.7 1.3 1.4 1.4 1.9 1.3 1.7 1.1 1.8 4.6 3.0 2.9 1.4 1.9 3.6 3.1 5.2 2.5 4.0 1.7 2.6 2.8 3.8 3.9 2.3 5.2 30
10 2.1 1.7 1.4 1.9 2.4 3.2 3.7 5.2 3.2 2.2 7.1 3.9 2.8 7.7 5.4 1.4 3.0 7.2 4.6 4.9 3.6 4.9 2.5 1.2 2.8 5.6 6.1 2.4 2.0 1.9 1.1 3.5 7.7 31
11 2.5 5.0 3.6 4.7 7.0 7.0 4.7 5.9 2.2 9.2 6.8 4.7 5.8 4.4 3.4 7.6 10.6 9.4 7.8 4.8 3.5 9.5 6.6 6.9 9.4 7.7 5.1 8.5 8.6 6.3 10.6 29
12 6.5 5.2 8.5 5.7 8.6 9.3 5.3 3.2 5.4 12.7 6.7 5.8 5.0 7.1 10.9 11.2 4.4 6.1 4.0 3.1 4.1 3.9 8.2 7.3 1.7 1.5 1.1 4.6 7.2 8.3 6.1 6.1 12.7 31