NO2 - SONRA

Detailed overview of air pollution values for the measuring programme

Year: 2011
Matter: NO2 - nitrogen dioxide
Locality: Ondrejov
Measuring programme: SONRA
Organization: CHMI
Region: Stredocesky
District: Praha-vychod
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 11.7 8.5 12.7 18.3 10.7 10.9 15.7 11.3 15.2 13.6 15.9 12.4 13.9 8.4 6.8 6.6 15.7 13.8 19.5 13.5 9.9 9.6 10.9 14.1 14.4 18.4 21.6 15.8 9.9 8.7 20.2 13.2 21.6 31
2 15.2 29.1 26.3 11.0 5.7 6.7 10.5 18.9 15.9 16.5 11.9 5.2 8.0 12.3 10.0 11.2 12.5 27.9 15.4 6.8 11.2 14.8 23.9 24.5 15.3 13.6 14.5 16.3 14.7 29.1 28
3 16.5 13.5 9.3 12.6 17.6 7.2 7.8 11.1 16.2 13.3 11.5 11.6 12.8 19.5 17.8 12.2 18.1 22.0 12.7 12.0 14.3 21.5 19.2 18.2 17.2 10.6 8.5 13.1 10.5 11.8 13.4 14.0 22.0 31
4 11.9 9.4 9.2 15.2 12.2 12.6 11.1 10.1 9.6 9.1 11.3 12.0 12.4 14.9 12.2 6.7 7.5 8.2 9.5 9.2 8.8 7.6 8.3 7.3 8.4 8.8 11.8 11.2 9.9 9.2 10.2 15.2 30
5 7.6 8.3 9.2 12.2 11.8 10.4 8.4 7.5 6.8 7.6 14.8 9.5 8.4 10.2 9.1 10.0 8.9 9.1 9.2 6.7 7.1 7.4 8.9 9.3 9.0 9.3 8.4 7.3 7.6 8.2 8.9 14.8 30
6 12.8 13.5 11.7 9.5 7.9 8.1 6.1 10.4 13.8 8.1 9.1 7.8 10.4 9.0 7.5 7.2 7.1 5.5 4.9 7.1 6.9 6.4 7.0 8.5 7.5 7.1 7.8 11.6 8.6 13.8 28
7 8.3 4.1 5.7 10.5 4.5 5.4 6.2 4.5 3.5 2.9 4.5 5.2 5.6 5.6 6.7 5.4 4.2 5.6 6.0 9.6 12.2 6.4 3.3 5.5 8.7 7.3 6.1 9.1 10.6 5.9 9.9 6.4 12.2 31
8 7.8 3.6 4.3 7.2 5.4 4.6 4.3 4.7 4.8 6.4 5.6 7.0 4.4 3.3 9.6 4.8 5.4 6.4 7.3 5.1 5.0 7.6 7.4 5.9 4.8 5.8 4.0 2.9 6.7 6.9 7.8 5.7 9.6 31
9 9.0 6.9 4.8 5.5 9.5 5.3 8.3 7.7 7.3 4.0 5.0 5.2 8.1 7.2 5.7 6.9 6.5 5.3 16.2 17.4 10.6 10.4 8.1 6.1 5.9 6.3 11.2 5.0 16.5 8.9 8.0 17.4 30
10 7.6 5.2 7.1 8.7 10.9 8.7 8.0 6.0 6.6 8.1 6.2 7.6 11.3 8.3 8.6 6.9 6.9 13.5 13.5 18
11 14.8 9.0 9.8 10.9 10.5 11.1 10.0 10.9 14.3 19.7 12.5 11.4 16.9 22.8 43.2 33.1 22.6 18.1 12.4 11.8 22.7 22.3 16.9 23.7 25.2 17.0 9.5 12.8 16.9 28.3 17.4 43.2 30
12 19.2 23.5 7.7 6.1 7.5 10.3 8.5 8.8 6.2 7.4 8.7 11.8 7.0 7.0 9.3 6.3 5.9 5.3 9.8 15.4 16.1 17.8 16.3 4.8 4.8 5.5 7.8 6.6 5.2 5.2 6.1 9.3 23.5 31