Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have sent smoke pouring across large sections of the country — a problem that’s set to linger for days.

Over 1,000 firefighters continue to battle a wildfire in California that has over 72,000 acres, prompted evacuation orders and caused three injuries, according to officials. The Gifford Fire, which began on Friday afternoon,

The Gifford Fire in San Luis Obispo and Santa Barbara counties is now the largest California wildfire of the year with over 82,000 acres burned, and officials warn it could get significantly worse when hot and dry weather hits the region this week.