Summer heat will return to the Twin Cities on Monday as air quality concerns linger for parts of Minnesota. The week will start dry and warm, with highs near 90 in the metro. The northern half of the state remains under an air quality alert through 6 p.m. due to Canadian wildfire smoke, the National Weather Service said.

The National Weather Service reported an air quality alert at 8:09 a.m. EDT on Monday in effect until Tuesday at midnight EDT for Emmet, Cheboygan, Presque Isle, Leelanau, Antrim, Otsego, Montmorency,

At 9:57 a.m. on Monday, the National Weather Service reported an air quality alert in effect until 10 p.m. for Oneida, Seneca, Cayuga, Onondaga, Tompkins, Madison and Cortland counties.