A week of smoky skies across North America – NASA Science0

• Aerosols, Air Quality, Earth Observatory, Goddard Space Flight Center, SCIENCE, Science / Health, Science Mission Directorate, scientists, Space, Space Communications & Navigation Program, Space Launch System (SLS), Space Telescope, space-x-ipo, SpaceX, Wildfires
• July 22, 2026

Wildfire activity in Canada increased in July 2026, a time of year when lightning ignition typically increases, according to a seasonal outlook published by several North American fire agencies. The fires caused plumes of smoke across the United States and Canada, affecting air quality in both countries. This animation tracks brown carbon, the organic aerosols