Biking is speeding up: The number of commuters biking to work has increased 60 percent in the last decade, according to a U.S. Census Bureau report
. Exercise is one of the top benefits for cyclists, but the health effects of air pollution on riders is less well-known. WNYC Healthcare and Medicine Reporter Fred Mogul and geochemist Steven Chillrud describe their study
to map out biking air quality around New York City.