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Watertown Pollution Indexes

Watertown Pollution Indexes Graph

2012 Pollution Indexes Watertown, MA Massachusetts United States
Air Pollution Index 103.0 99.0 100.0
Ozone Index 105.0 99.0 100.0
Lead Index 105.0 102.0 100.0
Carbon Monoxide Index 97.0 93.0 100.0
Nitrogen Dioxide Index 132.0 102.0 100.0
Particulate Matter Index 92.0 95.0 100.0

The data for Watertown, MA may also contain data for the following areas: Watertown

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