The PurpleAir is one of many low cost devices that use laser optical particle counters to estimate particulate matter mass concentrations in air for PM2.5 and PM10. Other similar devices include the Dustduino, Speck, Dylos and more. The PurpleAir costs around $200 and provides real time air quality data that can be used to understand indoor or outdoor environments and conduct environmental investigations on air quality.

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Title URL Last edited Edits Page Views Likes
Simple Air Sensor /wiki/simple-air-sensor 21 days ago by warren 23 214 2
PurpleAir /wiki/purpleair 3 months ago by warren 15 1,298 2