Unknown parent
Purple Air uses sensors that its users put up. The EPA probably uses a far smaller number of stations.
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Unknown parent
in reply to Neil E. Hodges
It's a puzzlement. And here's my advice to you: If you want to live, don't breathe! That's what I call ecology.
My voice has been scratchy all day and I can't tell if it's because of wildfire #smoke that got in through an open window, or I have a cold.
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in reply to Neil E. Hodges • • •≠ is ignored
The class war is always the poor versus smarter people
Gas the poor
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