NO₂ - TOPOA

Detailed overview of air pollution values for the measuring programme

Year: 2023
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 5.0 6.9 18.3 16.2 8.2 12.2 17.2 11.8 17.3 9.0 14.7 10.2 12.8 7.6 5.8 20.5 17.3 20.4 15.4 21.7 12.4 19.4 20.2 18.1 16.4 18.2 17.0 8.1 7.1 12.0 8.1 13.7 21.7 31
2 11.7 5.8 12.3 3.3 5.3 24.0 22.3 24.4 18.3 18.1 18.8 13.4 23.6 17.0 14.1 19.9 7.8 8.1 11.8 7.0 15.8 20.7 11.4 3.9 4.7 12.4 20.8 13.9 24.4 27
3 22.5 26.6 16.2 11.1 5.9 10.3 11.4 9.8 12.5 10.9 4.3 7.9 7.8 6.9 12.4 16.6 15.4 15.6 19.7 12.9 16.7 9.1 12.1 5.8 5.6 7.3 10.1 12.2 9.4 10.3 11.8 26.6 30
4 8.6 6.3 5.7 7.1 15.2 15.2 9.4 12.3 7.9 10.6 15.2 14.7 12.8 14.9 9.3 7.7 11.2 11.2 9.4 13.0 14.9 13.7 9.8 18.7 7.6 6.8 11.3 14.4 8.5 5.0 10.9 18.7 30
5 11.0 10.5 7.7 11.7 14.5 13.0 6.1 7.0 12.6 11.9 15.6 15.6 12.7 9.4 9.7 11.3 6.2 10.6 12.5 7.9 8.1 11.0 11.1 6.7 9.3 8.2 6.7 6.9 8.6 7.6 8.5 10.0 15.6 31
6 10.1 6.4 7.7 6.4 11.5 13.0 11.0 9.3 8.6 7.3 6.1 9.7 10.3 8.2 7.6 7.5 7.2 5.0 8.9 9.8 10.4 8.1 7.8 4.6 5.0 8.9 5.8 8.4 6.3 8.9 8.2 13.0 30
7 8.3 5.6 7.1 7.2 6.8 6.4 7.7 7.2 7.1 13.7 7.7 9.3 8.5 12.1 8.5 8.4 10.1 7.9 8.7 6.6 10.8 4.8 7.4 6.8 7.5 5.8 8.3 8.1 6.1 6.4 8.3 7.9 13.7 31
8 8.0 4.3 7.3 9.5 7.5 4.2 5.2 4.9 6.6 8.3 10.2 10.0 7.0 12.4 11.9 11.4 9.8 12.5 9.3 8.3 10.4 10.0 7.8 12.8 13.9 10.6 6.0 8.1 8.3 5.8 7.5 8.7 13.9 31
9 8.9 7.0 3.6 8.7 13.4 11.9 13.4 11.3 10.4 8.7 12.2 12.5 5.9 11.3 10.9 10.3 11.6 9.5 10.7 14.1 10.1 6.5 5.2 12.7 16.3 14.6 10.0 11.9 9.0 10.4 16.3 29
10 10.2 14.5 5.5 13.6 12.1 15.4 6.0 5.7 17.8 16.9 9.0 11.5 14.6 6.1 5.6 10.0 17.8 17.5 26.7 20.8 10.8 11.4 16.5 25.0 15.2 12.1 14.7 8.5 8.1 14.3 8.0 13.0 26.7 31
11 15.7 8.2 14.5 11.4 6.2 12.2 14.5 10.6 19.8 17.9 11.6 9.9 15.6 9.9 9.5 18.2 7.3 7.2 10.3 14.3 21.9 12.8 10.5 9.8 9.2 6.7 22.1 24.8 18.5 26.8 13.6 26.8 30
12 38.9 18.2 19.2 39.0 38.0 39.9 44.6 43.2 13.9 12.1 16.7 22.4 25.9 21.4 18.6 18.5 11.3 19.9 21.8 18.5 7.5 4.7 8.1 6.3 4.3 5.4 14.7 7.5 9.4 6.8 13.4 19.0 44.6 31