In this DI, high school student Tommy Liu builds a vehicle-mounted particulate matter monitoring system that siphons power from harvested wind energy from vehicle motion and an integrated ...

Thinking about a personal air pollution sensor? Based on cost and on laboratory and field evaluations by air pollution experts, we recommend the PA-II by PurpleAir (purpleair.com) as the best outdoor ...

eusable SAW sensor for selective PM10 and PM2.5 detection. Schematic overview of the reusable surface acoustic wave (SAW) particulate matter sensor system. The figure shows the porous membrane filter, ...

Above: The Aeroqual AQY 1 installed at my home in Michigan. Note that this is not an ideal siting--an air quality monitor should be set up in an area free of potential air flow influences of buildings ...

eusable SAW sensor for selective PM10 and PM2.5 detection. Schematic overview of the reusable surface acoustic wave (SAW) particulate matter sensor system. The figure shows the porous membrane filter, ...

Startup PurpleAir makes a living counting dust. Its consumer-level sensors measure particles of dust in air—airborne particulate matter (PM)—using laser particle counters that can count particle sizes ...

The Department of Environmental Quality has launched an air quality monitoring program that provides real-time results across ...

Air pollution is often monitored using instruments that are accurate but can be bulky, costly, or difficult to reuse continuously after particle ...

In a follow-up to the “Reaching for Air” series, residents had their homes monitored for PM2.5 and other factors indoors.

Wildfire smoke has dominated our skies, headlines and lungs over the past few weeks. Small particles which can lead to ...