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Royal City Pollution Indexes

Royal City Pollution Indexes Graph

2010 Pollution Indexes Royal City, WA Washington United States
Air Pollution Index 108 111 100
Ozone Index 112 111 100
Lead Index 159 155 100
Carbon Monoxide Index 127 150 100
Nitrogen Dioxide Index 41 49 100
Particulate Matter Index 81 82 100

The data for Royal City, WA may also contain data for the following areas: Royal City

Index score: (100 = National Average) 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