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 ...

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 ...

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 ...

Particle sensing and monitoring technologies have emerged as a vital interdisciplinary field integrating microfabrication, sensor design and advanced signal processing to detect and quantify airborne ...

NEW DELHI: (Dec 8) An indigenous PM2.5 sensor designed for affordability and scalability is being developed to address the Global South's air quality challenges, Professor S N Tripathi, Dean of the ...