NO₂ - TOHOA

Detailed overview of air pollution values for the measuring programme

Year: 2021
Matter: NO₂ - nitrogen dioxide
Locality: Ostrava-Hostalkovice
Measuring programme: TOHOA
Organization: ZU, MSK
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 16.8 27.4 29.7 26.0 13.3 9.2 13.6 11.5 15.2 20.3 9.6 8.6 4.9 5.8 4.5 8.0 19.1 11.1 8.3 7.8 9.5 8.4 8.5 4.9 10.3 12.2 14.3 25.4 9.4 11.3 12.8 29.7 30
2 30.9 10.7 9.3 12.2 23.1 8.6 8.5 7.9 23.7 20.5 6.3 5.5 5.0 8.0 25.7 9.7 10.5 20.5 15.4 12.4 4.2 14.6 12.0 18.5 14.5 12.0 4.2 7.2 12.9 30.9 28
3 8.1 18.7 17.4 19.4 14.3 12.9 12.8 12.8 24.1 24.8 19.5 15.4 8.8 6.1 15.3 17.9 16.7 14.9 12.0 6.8 12.2 11.0 16.4 13.5 20.6 18.2 10.6 7.8 15.7 21.6 20.7 15.0 24.8 31
4 14.6 6.7 7.5 7.0 9.1 12.7 12.3 10.8 11.1 7.5 17.6 8.7 7.7 5.8 4.0 7.4 9.1 10.1 10.9 9.3 14.5 6.6 10.7 16.4 14.0 6.1 9.9 17.6 26
5 11.3 6.0 5.8 8.3 6.3 4.7 4.5 6.7 8.3 14.2 21.8 18.9 4.6 6.1 8.7 9.1 11.7 6.0 4.6 4.5 6.4 6.1 4.8 9.2 5.1 4.2 5.4 7.7 4.0 4.0 4.6 7.5 21.8 31
6 11.7 14.6 12.1 12.6 14.0 6.2 7.9 10.0 4.5 4.7 9.4 7.6 4.0 4.4 10.7 17.3 17.2 20.4 16.1 14.4 21.0 9.9 4.2 5.7 6.1 11.5 11.8 5.1 10.5 21.0 28
7 5.3 5.0 5.1 6.7 5.9 8.9 12.6 9.9 5.1 4.8 9.1 13.9 14.0 18.0 7.1 5.6 4.0 4.2 4.8 4.0 4.0 5.9 9.0 10.3 11.2 8.0 11.7 8.9 8.0 18.0 28
8 6.9 11.7 8.7 7.4 9.6 5.1 8.0 4.0 8.8 8.3 7.4 13.0 18.5 8.4 12.8 6.4 5.1 6.9 7.3 9.2 7.8 10.3 7.2 5.3 5.8 6.2 7.8 5.7 4.5 6.3 6.6 8.0 18.5 31
9 4.0 4.9 10.6 7.9 6.2 10.4 12.5 15.7 14.0 14.7 11.8 7.3 6.6 11.1 24.5 14.5 4.0 4.0 4.4 5.8 8.0 6.3 7.2 5.8 9.6 15.9 9.9 7.9 9.5 24.5 28
10 24.7 18.6 11.4 10.6 16.9 12.8 20.2 22.0 20.9 21.4 19.4 20.3 18.9 21.8 21.0 21.8 20.5 25.0 19.9 16.8 14.7 12.3 12.5 23.5 13.4 10.6 8.6 8.2 17.5 25.0 28
11 14.1 13.4 16.5 11.9 10.6 10.4 5.5 11.9 21.9 13.1 7.6 21.8 17.1 15.3 22.3 28.5 17.9 13.2 13.7 8.5 4.0 6.9 12.6 21.1 11.6 20.5 17.5 15.8 9.0 11.5 14.2 28.5 30
12 10.6 8.6 13.5 6.6 15.3 13.1 18.9 18.5 28.1 31.9 20.3 22.0 42.8 34.9 35.1 21.8 4.0 8.0 6.7 4.0 10.8 22.3 15.3 9.5 10.9 25.1 36.4 41.2 13.6 14.5 11.3 18.6 42.8 31