West Michigan Clean Air Coalition

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10/27/2023 Forecast Update

FORECAST SUMMARY: Friday, October 27, 2023, through Monday, October 30, 2023

Ozone: 8-hour average ozone concentrations are expected to be mostly Good.

PM-2.5:  24-hour average Fine Particulate concentrations are also expected to be mostly Good.

FORECAST DISCUSSION:

This Friday forecast marks the end of the last full week of the 2023 ozone season.  A brief recap of the season shows that it was a bit more active than average.  However, several of the high ozone episode days can be blamed on the wildfire smoke which caused exceptionally bad Air Quality events during June.

Air Quality for the current week has been mostly Good.  The warmer weather enjoyed during the week will end, today, as a cold front slides through.  It will be followed by considerably cooler and drier air making Saturday a good day for football with crisp temperatures topping out around 50 degrees.

Good Air Quality will continue through the weekend and into the next work week.  The long-range forecast has snow showers predicted for Halloween on Tuesday.  Autumn has truly arrived, and the leaves seem to be in full color for a good weekend of viewing. 

EXTENDED FORECAST:

Air Quality should be generally Good to start the next work week.

Next Forecast Update: Monday, October 30, 2023