NO₂ - TOFFA

Detailed overview of air pollution values for the measuring programme

Year: 2021
Matter: NO₂ - nitrogen dioxide
Locality: Ostrava-Fifejdy
Measuring programme: TOFFA
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 22.4 28.8 32.9 31.0 19.0 22.4 17.2 18.9 17.2 27.4 28.0 14.6 16.4 16.0 21.1 9.8 24.7 33.7 16.1 13.7 20.3 14.7 9.2 14.6 21.1 18.1 26.5 23.4 34.3 17.0 32.0 21.4 34.3 31
2 47.2 19.0 16.2 20.4 31.1 16.2 14.2 21.0 46.6 38.3 22.6 29.1 15.9 18.5 56.0 21.8 22.6 48.4 27.7 23.8 13.3 23.8 23.2 25.4 25.8 17.7 9.8 16.8 25.4 56.0 28
3 15.8 24.1 18.9 21.8 18.5 12.4 16.1 32.7 38.6 37.2 24.9 17.8 9.1 9.5 24.3 19.2 13.5 22.2 18.6 13.1 10.1 16.4 16.0 15.9 26.7 29.6 18.2 13.2 16.7 25.5 23.8 20.0 38.6 31
4 19.8 14.0 8.5 10.0 7.4 10.4 11.7 14.8 13.4 12.9 12.7 22.5 14.7 13.5 12.0 19.5 11.4 17.7 25.6 25.1 24.1 19.9 18.1 11.8 10.9 15.8 14.1 27.7 21.4 11.3 15.8 27.7 30
5 17.0 14.3 17.7 12.9 10.1 7.5 10.0 10.3 11.2 17.5 17.5 13.1 10.1 14.7 22.9 12.1 12.2 11.4 11.4 9.2 12.8 9.9 7.4 10.2 17.4 7.3 7.1 13.4 12.4 22.9 28
6 17.1 16.3 24.8 26.0 15.6 11.8 22.3 18.2 14.4 19.6 18.1 9.4 5.5 15.3 20.2 25.8 19.4 21.8 13.4 13.1 20.6 15.5 13.2 12.7 11.0 8.8 14.8 19.6 18.0 10.5 16.4 26.0 30
7 8.7 11.0 8.7 14.7 14.6 11.5 16.4 15.3 14.6 9.1 17.3 16.8 17.6 28.1 21.2 13.2 8.2 6.7 9.4 8.7 9.8 18.4 24.2 16.4 13.3 16.7 15.6 16.6 14.8 18.7 10.3 14.4 28.1 31
8 14.2 15.9 13.8 13.7 18.8 11.9 6.7 6.8 18.4 15.1 15.2 21.2 19.5 12.6 15.5 10.7 9.2 8.1 15.1 15.7 16.8 18.5 9.9 18.3 13.4 13.9 17.0 15.2 14.0 17.6 10.5 14.3 21.2 31
9 13.9 16.9 13.7 13.3 11.4 28.9 22.0 23.4 26.7 28.8 20.7 17.4 22.0 28.7 28.5 19.3 15.1 11.6 12.0 16.8 18.9 19.6 9.9 16.3 16.8 21.7 23.9 19.0 23.9 25.3 19.5 28.9 30
10 28.3 16.2 16.1 30.1 18.3 19.8 23.0 23.2 18.0 26.1 31.4 20.3 16.6 14.0 11.2 23.2 16.4 25.6 15.1 10.6 14.2 12.7 11.6 21.6 20.5 17.3 21.8 21.9 27.0 14.8 25.7 19.8 31.4 31
11 22.0 19.8 18.7 16.3 16.5 13.4 11.2 17.6 26.4 21.9 14.6 28.4 20.5 22.4 27.5 32.2 18.9 17.2 16.1 12.2 11.9 19.4 19.9 26.3 22.2 32.1 23.6 26.0 20.5 12.5 20.3 32.2 30
12 14.0 19.4 19.9 9.9 15.7 18.8 22.5 21.0 31.0 38.1 28.3 37.1 44.2 37.2 36.0 26.3 10.0 11.2 15.5 11.1 31.5 33.2 18.3 11.3 16.5 36.1 39.0 40.7 13.4 16.0 13.7 23.8 44.2 31