Air quality alerts are now in place for 10 states from Minnesota to Connecticut and, on Tuesday afternoon, Boston is expected to see a nice break from the smoke thanks to onshore winds keeping smoke inland as Detroit and New York City may catch more of a break due to winds from the east as well.

Wildfire smoke from Canada has prompted officials to place the Lehigh Valley and surrounding counties under an air quality alert Tuesday.

Environment Canada has issued special air quality statements for southwestern Ontario as Prairie wildfire smoke sits over swaths of the province.