A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

Smoke from Canadian wildfires​ is headed toward Massachusetts, and prompting concerns about air quality in Boston.

You may notice a bit of a haze in the air this week. In part, it’s coming from central Canadian wildfire smoke. We’re keeping a close eye on it, but unless you are unusually sensitive to fine airborne particles,