Average Nitrogen Dioxide (NO2) (parts per million)
|
U.S.
|
Michigan
|
Midland County
|
|
2004
|
0.0118
|
0.0136
|
0.0152
|
|
2005
|
0.0121
|
0.0146
|
0.0173
|
|
2006
|
0.0113
|
0.014
|
0.0142
|
|
2007
|
0.0108
|
0.0155
|
0.0167
|
|
2008
|
0.0103
|
0.0129
|
0.0123
|
|
2009
|
0.0091
|
0.0118
|
0.0122
|
Source: USA.com www.usa.com
| Average Nitrogen Dioxide (NO2) (parts per million) |
Environment
