Cheap, Portable Sensors Are Democratizing Air-Quality Data
This storyoriginally appeared on CityLaband is part of theClimate Deskcollaboration. Until she moved to Fresno, California in 2003, Janet DietzKamei had never experienced asthma. But after just a few years in a city notorious for its filthy air\u2014the American Lung Association lists it in the five worst US cities for air quality\u2014DietzKamei found herself in the emergency room struggling to breathe.