Overview

• Air quality alerts cover Minnesota, Michigan, Texas and several other Midwestern and Plains states as wildfire smoke pushes fine particulate and ozone levels into unhealthy ranges.
• The Minnesota Pollution Control Agency has issued a statewide Air Quality Alert through June 2, forecasting orange to red Air Quality Index ratings across the state.
• Forecasters predict smoky haze will drift into the Northeast and East Coast later today as periods of poor air quality continue.
• Canadian wildfires have scorched over 1.58 million acres—about 40% above the decade average—and forced the evacuation of at least 17,000 people.
• Health agencies advise residents to limit outdoor activity, avoid peak pollution hours and use high‐efficiency air filters or air conditioning systems to reduce exposure.