Baltimore, MD - June 27, 2023 -  Skies over the Baltimore-Washington, D.C., region could yet again be filled with thick smoke from Canadian wildfires this week, according to the latest air quality forecast, making air unhealthy for residents with some health conditions.

Smoke is expected to drift across much of the Northeast and Great Lakes on Wednesday, blanketing Maryland on Thursday, according to the U.S. Air Quality index.

The Maryland Department of the Environment issued an Orange Alert for Wednesday and Thursday, predicting air quality indexes of 127 and 124, respectively, on those days. At those levels, the air quality is considered unhealthy for sensitive groups. An API of 50 or below is considered safe.

Smoke from the more than 300 wildfires burning in Canada is expected to continue to slowly move east and south. Some of the smoke may cross the Appalachians and head eastward by late Tuesday, according to the Washington Post's Capital Weather Gang.... Read More: Pikesville Patch