Serap Erdal stopped at a light pole in Chicago’s Grant Park, pulled out her phone, and began pinching at the screen. Behind her, towering skyscrapers cut into a sunny blue sky as she scanned her palm-sized map of the city. The researcher barely noticed the hum of city buses, cars, and cyclists buzzing around her in the city’s busy downtown. She was working out what was in the cool summer air.
Fixed to the pole above her was one of the city’s new solar-powered air quality monitors. The tracker, encased in a metallic silver shell about the size of a tissue box, is part of the nation’s largest community air quality monitoring network. Today, the network has 277 air monitors across Chicago collecting air pollution data from every ward and community area, with an increased concentration in already-overburdened neighborhoods.
A bright green dot flashed on Erdal’s phone. She smiled.
“Currently, the air... Read more
