11/21/2025 Air Quality Forecast

FORECAST SUMMARY: Friday, November 21, 2025 through Monday, November 24, 2025

PM-2.5: 24-hour average Fine Particulate concentrations are expected to be mostly Good (AQI Green) to scattered Low Moderate (AQI Yellow).

  FORECAST DISCUSSION

The passage of a cold front, early Friday morning, will give way to high pressure building in behind the front.  This will encourage mostly clear skies, for the weekend, with the added benefit of moderate temperatures staying pretty consistent.  In fact, temperatures are expected in the low 50’s from Sunday through Tuesday.  Current Moderate AQI readings in the lower half of the Lower Peninsula should give way to mostly Good AQI.

Current model runs are indicating a short wave expected to develop late Monday and continuing into Tuesday with precipitation staying all rain.  With the exception of potential lake effect rain/snow showers, the long range forecasts are currently showing the weather behaving during the holiday travel period.  Keeping fingers crossed for that forecast prediction to hold true.

Friday marks exactly one month until the winter solstice occurs.  Fortunately, the loss of daylight hours is slowing to around one minute per day.  Following the winter solstice, (December 21), the days will start getting longer again, slowly at first, then gaining momentum. 

Air Quality should not be an issue as fine particulate matter levels stay mostly Good with a few scattered Low Moderates.

  EXTENDED FORECAST:

 Air Quality is expected to remain Good to Low Moderate entering the upcoming work week.