Air Trends Project

State Level NOx Emissions and Ozone Design Value prepared by Alpine
Geophysics January 2017  
pdf

Assessment of Air Quality Trends in Low-Income Urban Areas by Gregory
Stella - Alpine Geophysics LLC - April 2014
pdf

Air Quality Trends in Urban Low-Income Areas by Gregory Stella - Alpine
Geophysics LLC - April 2014
pdf

Recent Regional Emissions and Air Quality Trends – The News Improves!
by Gregory Stella - Alpine Geophysics LLC - September 2013
Microsoft
Word version   pdf

Air Trends Project July 2013 files

Central
Central:  ppt
Arkansas: ppt
Iowa:  ppt
Kansas:   ppt
Louisiana:  ppt
Minnesota:  ppt
Missouri: ppt
Nebraska:  ppt
Texas: ppt

Midwest
Midwest:   ppt
Illnois:  ppt
Indiana: ppt
Michigan: ppt
Ohio: ppt
Wisconsin:  ppt

Northeast
Northeast: ppt
Connecticut: ppt
Delaware: ppt
Maine: ppt
Maryland: ppt
Massachusetts:  ppt
New Hampshire:  ppt
New Jersey:  ppt
New York:  ppt
Pennsylvania:  ppt
Rhode Island: ppt
Vermont: ppt

Southeast
Southeast:  ppt
Alabama: ppt
Florida:  ppt
Georgia: ppt
Kentucky:  ppt
Mississippi   ppt
North Carolina:  ppt
South Carolina: ppt
Tennessee:  ppt
Virginia: ppt
West Virginia: ppt

Western
Western:  ppt
Arizona: ppt
California: ppt
Colorado: ppt
Idaho:  ppt
Montana: ppt
Nevada:  ppt
New Mexico: ppt
North Dakota:  ppt
Oregon:  ppt
South Dakota:  ppt
Utah: ppt
Washington:  ppt
Wyoming: ppt