NASA’s Terra satellite captured this image of fires wreaking havoc across a large swath of Siberia on July 21, 2020.

Puerto Rico now has an air quality warning system that provides three days of advance notice about potentially harmful dust that travels across the Atlantic Ocean from the Sahara Desert.

NASA’s Terra satellite captured this image of California’s Mineral fire with the MODIS (Moderate Resolution Imaging Spectroradiometer) instrument on July 14, 2020.