NO₂ - TOPOA

Detailed overview of air pollution values for the measuring programme

Year: 2021
Matter: NO₂ - nitrogen dioxide
Locality: Ostrava-Poruba CHMU
Measuring programme: TOPOA
Organization: CHMI
Region: Moravskoslezsky
District: Ostrava-mesto
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 17.6 26.4 25.8 26.0 17.6 21.6 14.8 18.2 15.1 19.2 24.9 16.7 14.6 11.0 16.7 6.9 19.0 37.1 19.1 14.6 12.9 14.3 8.9 14.0 13.6 18.4 21.8 20.6 33.2 13.8 23.4 18.6 37.1 31
2 47.8 17.0 15.4 16.7 29.9 14.9 14.2 14.9 34.0 30.3 15.8 19.8 12.3 16.8 50.7 23.7 30.6 48.3 29.9 27.4 10.5 23.8 28.4 31.7 23.9 15.6 7.4 9.6 23.6 50.7 28
3 10.7 20.3 20.1 21.6 12.5 9.9 11.7 18.6 23.1 26.2 20.8 14.8 8.5 9.3 19.9 15.2 10.2 11.7 12.7 8.8 10.5 13.8 17.9 13.8 18.9 25.2 10.9 12.0 18.1 19.2 18.6 15.7 26.2 31
4 17.1 8.0 6.9 8.4 6.5 11.9 13.7 13.4 13.7 9.5 9.6 14.7 10.1 8.7 7.7 9.2 8.4 12.7 16.4 14.7 18.7 13.5 14.2 9.6 6.5 11.6 15.9 17.2 19.5 11.2 12.0 19.5 30
5 13.3 10.4 8.3 14.3 10.2 7.9 7.8 9.5 10.5 11.0 13.8 14.9 10.8 7.0 15.7 6.9 7.9 6.3 9.2 8.7 6.4 10.4 7.6 6.1 7.3 9.4 4.3 4.9 7.5 9.2 15.7 29
6 10.7 13.9 11.5 12.0 12.2 6.6 11.3 10.3 10.2 10.9 7.2 2.8 5.9 8.9 12.2 12.8 12.4 9.5 9.5 10.7 8.7 7.9 13.4 6.6 9.8 12.2 5.6 9.8 13.9 27
7 8.5 6.2 7.7 8.0 7.2 8.3 11.8 8.7 6.0 10.0 11.9 13.4 13.2 8.7 8.9 5.7 4.0 5.1 4.7 5.5 10.1 11.6 10.5 11.4 7.7 10.2 8.6 7.7 12.2 8.9 8.7 13.4 30
8 6.3 13.8 10.0 8.4 12.6 5.1 7.4 4.4 7.9 10.0 8.8 11.7 15.3 10.7 8.6 8.8 5.9 10.5 10.1 12.2 6.9 8.6 7.8 9.1 9.3 10.7 13.5 7.8 7.7 11.1 7.7 9.3 15.3 31
9 5.3 7.9 12.0 8.6 8.0 12.6 17.6 12.9 12.7 17.1 14.6 8.2 11.2 15.5 16.2 17.7 6.8 5.8 6.2 9.8 12.2 11.3 11.4 10.1 10.4 14.7 18.5 14.5 18.7 13.4 12.1 18.7 30
10 15.5 9.2 8.7 16.1 8.7 16.3 17.7 12.7 14.2 19.2 14.9 9.7 15.0 10.7 9.8 10.0 22.2 13.5 9.5 10.0 5.7 8.2 14.6 9.7 16.6 26.8 17.0 11.9 8.4 12.2 13.2 26.8 30
11 15.3 19.1 21.2 16.3 16.1 16.0 9.6 17.2 21.2 11.1 11.4 23.8 18.6 19.4 29.1 28.0 16.6 16.2 16.9 12.7 6.2 11.8 17.7 19.8 13.1 25.0 20.5 18.4 16.4 14.0 17.3 29.1 30
12 14.7 14.0 19.2 9.8 17.4 15.0 19.9 32.1 30.5 34.1 23.3 26.7 44.4 34.7 33.4 23.2 6.7 10.3 12.4 6.2 17.6 25.6 16.4 11.7 10.0 26.9 45.0 37.8 15.5 15.6 12.3 21.4 45.0 31