Millions of people in the Midwest and Northeast US are expected to be exposed to dangerous air pollution. This is due to heavy smoke from large wildfires in Canada and Minnesota. The smoke is predicted to engulf large areas of these regions this week.

Details about the wildfires and affected areas are available from ABC13 Houston. Further information on the situation can be found through the source, providing updates on the wildfires and their impact on air quality in the affected regions.