Halo Smart Solutions, Inc.

Kenneth Addy

Paul Galburt

Frank L Jacovino

Embodiments of a sensor device, method and system employ one or more particle detection sensors to collect particle measurement values in a plurality of particle bins collecting particles of different sizes, generate a histogram representing the particle measurement values and determine based on a comparison of the histogram with a profile histogram for a pollutant, a match quality indicative of whether the pollutant is present in the environment. In various embodiments, a location of a pollutant is also determined according to the determined match quality.

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Massapequa, NY, United States of America

Kenneth Addy