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California

Old Crank

(4,889 posts)

6. When I lived there

Reply to usonian (Original post)

Wed Dec 4, 2024, 03:33 AM

Dec 4

The air quality was always worse down in the lower valley. The prevailing winds blow from the bay area down the central valley. There is a ring of mountains there that traps pollution and agriculture dust in that bowl. Combined with a normal winter inversion layer up goes the pollution count.

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bitofalright

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Highlight:

What is it with the Central Valley?. Air Quality Index is nasty. [View all] usonian Dec 3 OP

Probably there's an "inversion layer" like the one that sits over LA most of the year. nt The Unmitigated Gall Dec 3 #1

That's my guess, too. Basso8vb Dec 3 #2

Also Oil & Gas Production Nigrum Cattus Dec 3 #3

Red, Red, pee the bed. usonian Dec 3 #4

Not normal! Clouds Passing Dec 3 #5

When I lived there Old Crank Dec 4 #6

I live in those mountains, at least the foothills, and the difference is startling. usonian Dec 4 #7