NOₓ - USNZA

Detailed overview of air pollution values for the measuring programme

Year: 2021
Matter: NOₓ - nitrogen oxides
Locality: Sneznik
Measuring programme: USNZA
Organization: CHMI
Region: Ustecky
District: Decin
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 29.7 11.9 11.5 23.7 14.7 6.0 8.6 17.9 8.5 9.9 28.4 17.3 4.5 6.7 7.4 5.4 9.0 10.1 13.0 17.4 20.2 18.4 6.2 11.2 7.0 13.5 13.2 26.0 10.3 6.7 7.8 13.0 29.7 31
2 13.0 35.9 25.6 5.3 9.1 11.2 8.5 9.3 16.8 20.1 17.2 11.3 11.3 6.0 41.3 52.4 18.0 13.5 10.9 20.0 10.4 18.7 37.4 56.1 67.0 15.9 4.9 5.4 20.4 67.0 28
3 11.3 35.3 67.9 16.1 6.4 3.6 3.2 5.1 6.5 18.0 12.6 5.8 6.4 3.1 8.8 4.4 6.1 4.7 4.3 4.6 7.0 6.9 6.8 11.1 22.4 17.8 11.4 9.3 13.6 8.7 16.1 11.8 67.9 31
4 10.5 4.7 2.7 2.2 7.7 3.4 2.9 2.4 10.8 19.2 6.2 5.1 5.2 4.1 5.9 7.9 7.1 8.0 6.7 6.1 7.2 4.8 5.2 5.5 5.2 4.9 4.0 8.3 10.6 7.7 6.4 19.2 30
5 8.3 6.0 5.3 10.7 5.9 10.5 4.7 7.5 8.2 6.9 6.2 8.3 4.7 5.7 9.1 6.9 5.7 3.5 4.2 5.7 9.2 4.5 5.1 5.1 5.2 7.1 8.3 4.2 4.4 3.9 3.3 6.3 10.7 31
6 4.5 4.6 4.7 8.6 5.5 4.2 4.9 5.4 3.9 5.0 4.8 4.5 2.9 3.6 8.2 5.2 4.5 4.2 7.3 6.9 5.9 7.5 7.1 6.8 5.0 3.5 3.2 3.5 4.9 2.3 5.1 8.6 30
7 9.2 4.4 3.3 8.4 5.5 4.5 2.7 5.1 3.9 4.3 4.4 4.7 3.2 5.8 3.9 3.3 4.5 3.8 3.8 4.3 3.5 4.1 3.8 3.6 3.8 3.4 5.1 8.4 7.1 5.7 2.4 4.6 9.2 31
8 3.7 2.2 5.0 9.8 3.4 7.1 7.0 6.7 9.8 6.4 3.4 6.0 8.9 4.9 5.9 8.6 2.8 7.8 9.6 6.8 5.9 13.7 6.6 5.1 4.8 3.2 4.1 3.8 3.4 3.6 4.9 6.0 13.7 31
9 4.5 4.0 4.4 5.2 4.5 7.5 5.2 5.1 7.3 10.3 13.0 4.7 5.0 6.1 16.7 9.7 4.3 4.3 2.5 4.4 4.8 4.2 8.9 3.2 5.7 7.1 5.6 4.8 7.0 3.0 6.1 16.7 30
10 10.0 10.6 5.6 6.8 12.6 8.7 6.7 6.7 4.9 5.1 9.0 3.3 4.8 15.6 12.9 5.4 7.7 13.5 28.4 23.6 7.4 4.6 4.2 8.9 19.9 37.7 31.1 23.3 11.8 8.7 6.1 11.8 37.7 31
11 12.4 13.2 8.2 7.3 1.7 11.4 12.9 1.3 6.6 13.1 25.4 35.8 21.3 16.3 9.6 12.1 14.6 6.7 6.6 5.5 15.4 5.7 5.0 7.2 9.7 22.7 16.8 9.0 7.7 8.4 11.7 35.8 30
12 9.6 2.6 10.2 9.4 5.2 9.1 17.7 14.2 25.5 20.3 9.7 16.3 8.8 5.9 6.4 6.4 6.4 4.6 2.4 5.8 7.7 16.0 30.9 9.3 4.2 12.2 17.3 15.8 20.8 9.4 4.0 11.1 30.9 31