In most of the U.S., formaldehyde contributes more to outdoor cancer risk than any other toxic air pollutant. ProPublica just came out with a nifty interactive tool that lets you look up your address to see risks from the chemical on your block and where it comes from. Visit it at projects.propublica.org/formaldehyde-cancer-risk-map #Formaldehyde #Formaldehydetest #toxic #toxicchemical #cancer risk #EPA #respiratory #asthma #allergies #outdoorcancerrisk #airpollutant #carcinogenic