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North America

Foxe Basin, Canada

North America

Environmental regulations on NOx emissions from automobiles and power plants in the United States led to a reduction in NO2 levels between 20 and 40% over American cities from 2005 to 2016.  In fact, the only significant increases over the U.S.

Image Credit: 
Jacques Descloitres, MODIS Rapid Response Team, NASA/GSFC

San Francisco / San Jose

San Francisco-San Jose Line Plot 2005-2016
Change in NO2: 
-46.94
2016 Avg. NO2: 
4.33

Chicago

Chicago Line Plot 2005-2016
Change in NO2: 
-47.49
2016 Avg. NO2: 
11.42

Los Angeles

Los Angeles Line Plot 2005-2016
Change in NO2: 
-63.27
2016 Avg. NO2: 
17.46

New York

New York Line Plot 2005-2016
Change in NO2: 
-49.55
2016 Avg. NO2: 
15.74

Detroit

Detroit Line Plot 2005-2016
Change in NO2: 
-46.22
2016 Avg. NO2: 
8.62

Phoenix-Mesa

Phoenix-Mesa Line Plot 2005-2016
Change in NO2: 
-62.30
2016 Avg. NO2: 
6.32

Boston

Boston Line Plot 2005-2016
Change in NO2: 
-43.19
2016 Avg. NO2: 
6.29

Washington D.C.

Washington D.C. Line Plot 2005-2016
Change in NO2: 
-49.50
2016 Avg. NO2: 
8.62

Atlanta

Atlanta Line Plot 2005-2016
Change in NO2: 
-56.35
2016 Avg. NO2: 
6.62