NOx - SONRA

Detailed overview of air pollution values for the measuring programme

Year: 2011
Matter: NOx - nitrogen oxides
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 12.1 9.0 13.6 19.3 11.1 11.2 16.4 12.8 18.0 14.5 17.5 13.3 15.1 9.3 7.8 7.4 17.1 14.8 20.4 15.2 10.0 9.7 11.5 15.1 15.8 21.0 26.2 17.5 10.7 9.0 22.1 14.3 26.2 31
2 16.3 32.5 29.7 12.0 6.1 7.5 12.3 20.2 18.1 18.1 12.5 5.9 8.6 12.8 10.5 11.8 13.2 31.6 17.6 7.3 11.8 15.7 27.5 27.0 17.0 14.7 15.4 17.5 16.1 32.5 28
3 17.9 14.6 9.6 13.4 19.9 8.0 8.6 12.2 17.7 14.2 12.6 12.7 14.0 21.6 19.5 14.1 20.9 26.9 13.9 13.2 16.5 23.6 21.8 20.8 19.8 12.4 9.9 14.6 11.8 12.9 15.5 15.6 26.9 31
4 15.1 12.4 11.9 19.3 15.2 15.7 13.7 11.9 11.1 10.6 14.1 12.9 12.6 16.2 12.7 7.2 8.1 8.7 10.0 9.8 9.4 8.3 8.9 7.9 9.0 9.6 12.5 11.9 10.6 9.9 11.6 19.3 30
5 7.9 8.8 9.5 13.7 12.8 11.2 8.9 8.1 7.5 8.1 16.1 10.3 8.8 10.7 9.9 10.7 9.7 9.8 10.3 7.4 7.5 8.0 9.6 10.1 9.6 9.9 9.1 7.9 8.0 9.0 9.6 16.1 30
6 14.5 15.9 12.9 10.8 9.0 9.4 7.1 11.6 15.4 9.0 9.8 8.4 10.6 9.6 8.0 7.7 7.7 6.2 5.5 7.9 7.8 7.0 7.6 9.1 8.2 7.9 8.4 12.6 9.5 15.9 28
7 9.3 4.9 6.8 12.8 5.8 6.4 7.3 5.5 4.6 4.1 5.9 6.2 6.8 7.0 7.7 6.3 5.0 6.8 7.0 10.8 13.6 7.5 4.1 6.1 9.5 9.0 7.1 10.6 11.7 6.7 11.1 7.5 13.6 31
8 9.9 4.4 5.1 8.3 6.2 5.5 5.1 6.0 5.6 7.6 6.4 8.0 5.3 4.0 10.9 6.4 6.4 7.3 8.2 6.0 5.8 8.8 8.7 7.3 6.2 7.0 5.2 4.2 8.2 8.7 9.2 6.8 10.9 31
9 10.5 8.5 6.3 6.8 11.4 7.1 9.4 8.6 8.4 5.0 5.9 6.2 9.6 8.4 7.0 7.8 7.8 6.4 19.5 20.6 12.8 12.1 10.3 7.4 7.1 7.6 13.1 6.4 19.8 11.1 9.6 20.6 30
10 8.1 5.2 7.3 8.9 11.3 9.1 8.5 6.1 6.5 8.5 6.7 8.9 11.9 9.0 9.8 7.7 7.4 16.4 16.4 18
11 17.2 9.0 12.1 13.3 12.8 13.3 12.3 13.1 16.5 22.4 15.1 13.6 19.3 26.9 66.6 39.1 24.7 20.6 14.3 13.6 26.6 28.0 19.2 28.5 30.9 19.7 11.2 14.4 19.6 48.4 21.4 66.6 30
12 20.2 27.0 8.2 6.2 7.6 10.5 8.5 8.8 7.2 8.0 9.4 12.7 7.7 7.4 9.8 6.6 6.3 5.6 10.5 16.3 16.6 20.0 20.9 5.1 5.1 5.8 8.2 7.0 5.3 5.2 6.4 10.0 27.0 31