NO₂ - ACHOA

Detailed overview of air pollution values for the measuring programme

Year: 2021
Matter: NO₂ - nitrogen dioxide
Locality: Praha 4-Chodov
Measuring programme: ACHOA
Organization: CHMI
Region: Prague
District: Praha 4
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 17.8 21.2 22.1 26.0 21.6 23.9 18.8 15.2 20.6 20.4 19.9 14.4 10.2 15.7 16.7 12.9 24.4 19.7 10.6 13.0 20.4 20.5 16.6 9.6 25.8 24.4 19.0 23.1 26.6 9.1 12.6 18.5 26.6 31
2 25.9 17.7 12.4 12.0 25.4 12.7 8.6 21.1 33.9 27.0 23.4 36.6 25.3 29.1 53.2 50.6 23.8 17.9 19.9 20.4 9.3 23.7 31.4 35.6 46.9 26.2 14.4 22.0 25.2 53.2 28
3 32.3 24.1 26.5 28.7 22.2 14.5 14.1 24.6 28.5 23.2 13.0 9.0 4.5 6.5 12.4 12.3 14.3 12.1 12.6 8.2 8.9 13.2 21.5 22.7 22.3 21.6 9.2 8.5 13.3 28.6 18.5 17.2 32.3 31
4 17.1 8.6 6.9 12.5 6.5 10.3 10.5 9.4 10.2 11.9 8.9 13.6 12.9 11.8 14.9 16.9 13.3 15.6 24.8 30.8 14.0 10.7 13.6 9.2 8.0 17.8 10.3 9.4 10.5 10.5 12.7 30.8 30
5 12.3 9.4 10.3 7.1 6.9 9.0 8.9 7.4 6.1 9.6 10.8 11.5 14.1 10.5 6.1 3.5 6.7 6.9 11.6 11.9 5.3 2.6 3.5 5.5 5.1 5.5 5.9 8.0 8.8 7.0 15.1 8.2 15.1 31
6 14.9 13.5 11.8 8.9 8.6 7.7 15.4 10.5 19.1 10.2 13.0 5.1 5.3 10.8 10.6 14.0 9.2 6.1 8.4 7.4 7.5 8.6 10.2 9.1 18.2 8.7 11.7 15.7 7.8 3.3 10.4 19.1 30
7 5.4 8.1 8.2 9.1 4.5 3.9 6.0 8.0 5.5 2.5 4.4 3.7 5.7 6.7 9.2 9.6 4.2 8.9 13.3 12.5 16.4 8.9 5.6 4.6 9.8 8.7 9.4 6.9 9.9 4.0 7.5 16.4 30
8 8.2 7.0 5.7 7.8 16.0 7.9 3.0 2.2 11.7 10.9 11.8 14.4 12.8 8.9 10.8 4.9 4.2 5.0 6.3 10.9 9.5 7.0 5.1 8.5 12.2 8.7 9.3 11.5 9.4 15.2 10.7 8.9 16.0 31
9 13.2 17.9 22.0 9.9 7.5 12.2 18.2 17.4 14.6 11.9 11.6 13.4 15.1 15.2 20.2 9.8 13.9 8.1 8.4 14.9 17.2 13.7 8.5 13.3 6.8 13.4 28.6 10.0 12.9 15.6 13.8 28.6 30
10 14.2 5.1 7.0 25.2 13.3 13.8 16.3 12.1 10.3 20.9 20.0 17.1 22.8 13.0 10.9 18.1 20.7 16.7 11.8 9.0 6.8 6.4 14.3 12.3 34.2 19.9 28.9 23.1 26.6 23.2 12.6 16.3 34.2 31
11 22.4 15.6 16.1 11.7 15.0 10.2 6.5 21.1 21.7 32.8 16.9 13.5 13.8 17.6 17.7 27.9 16.0 12.6 12.4 9.5 12.9 19.2 22.0 15.0 12.7 25.7 13.7 27.2 21.9 9.2 17.0 32.8 30
12 6.5 20.2 14.7 16.3 20.9 21.0 24.5 22.3 29.4 21.6 22.8 12.5 22.9 27.4 18.2 23.1 19.1 18.8 9.0 16.0 34.3 30.0 18.5 6.7 6.8 19.4 21.6 15.2 17.5 7.7 4.7 18.4 34.3 31