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Washington, District of Columbia Pollution Indexes

Washington, District of Columbia Pollution Indexes


2012 Pollution Indexes Washington, DC District of Columbia United States
Air Pollution Index 94 94 100
Ozone Index 94 95 100
Lead Index 44 44 100
Carbon Monoxide Index 95 96 100
Nitrogen Dioxide Index 120 120 100
Particulate Matter Index 87 87 100

Pollution Index (100 = National Average): Index score for an area is compared to the national average of 100. A score of 200 indicates twice the national average, while 50 indicates half the national average.

Information is deemed reliable but not guaranteed. Demographic Information FAQ



Washington, District of Columbia Demographics Summary