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Seattle, Washington Pollution Indexes

Seattle, Washington Pollution Indexes


2012 Pollution Indexes Seattle, WA Washington United States
Air Pollution Index 108 109 100
Ozone Index 108 109 100
Lead Index 157 156 100
Carbon Monoxide Index 148 151 100
Nitrogen Dioxide Index 46 49 100
Particulate Matter Index 83 83 100

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



Seattle, Washington Demographics Summary