#Copernicus Atmosphere Monitoring Service aerosol optical depth forecast for 26 July https://t.co/vGx3fMslSk shows continuing heavy smoke from boreal & Arctic #wildfires across Eurasia & N America with a plume from Alaska heading to the North Pole. pic.twitter.com/y3qTjaNxN2

— Mark Parrington (@m_parrington) July 26, 2019