/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/d4/68/d4685b8a-3c7c-4949-be40-9a603106b3b3/gettyimages-2285809343.jpg?w=800&resize=800,450&ssl=1 "From 22,000 Miles Up, This Satellite Tracks Airborne Health Threats Almost in Real Time")
Innovation | smithsonianmag.com… The new instrument, called TEMPO, captures hourly snapshots of the pollutants swirling in the daytime atmosphere over North America—“chemical weather” reports that are helpful to public health researchers and government officials