Portable sensors enable monitoring of pollution on smart phones; inferring pollution maps with greater granularity
Green Car Congress
DECEMBER 19, 2012
EPA AQI map of the San Diego County region,with a box added to. Boxes represent pollution reading locations during that window. A view of the inside of the CitiSense sensor: the three cylindrical components detect ozone, nitrogen dioxide and carbon monoxide. For example, San Diego County has 3.1
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