Photo of the Week: Corsi-Rosenthal Air Purifier

A white plastic box fan sits on top of a box cube created with four 20x20x2 inch furnace air filters held together with blue duct tape and a brown cardboard square for the base. Three corners of the box fan are covered with cardboard triangles tape to the fan to cover air spaces and create a more airtight box. The box sits on light brown carpet.

About a week ago, when I read wildfire smoke would soon sweep through Michigan, I went to our basement and brought up a box I hadn’t used in a while.

In summer 2023, when wildfire smoke moved through our southeast Michigan area, I built our own air purifier from a box fan, furnace filters, cardboard, and duct tape.

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Taking a Break from Gardening

Air Quality result showing a dial image pointing a bit past the 150 marker with a label of Unhealthy.

After last week’s hot weather, with over 90 degree Farenheit temperatures several days, I welcomed this week’s cooler 70+ degree days.

For the past three days, I’ve been busy gardening.

I finally planted potted perennial flowers and vegetable plants I’ve kept on my porch during the hot temperatures, without worrying about them shriveling up from the intense heat.

That changed today when southeast Michigan air quality took a serious decline into the unhealthy range, according to AirNow.

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