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A comment on How a dangerous stew of air pollution is choking the United States. Parent comment

Re:How a dangerous stew of air pollution is choking the Unit... by jedberg on Wednesday December 07, 2022 @02:52PM (#33899313)
We had strong Santa Ana winds on Thanksgiving in LA, which blows the pollution out because they come from the East instead of the West.

Car traffic doesn't make that much daily difference.

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Re:How a dangerous stew of air pollution is choking the Unit... by vikingerik on Wednesday December 07, 2022 @04:02PM (#33900191)
This sounds like the right explanation. Thanksgiving traffic can't be that much less than other days - plenty of people are still traveling and even working. Wind patterns vary a lot more day to day than car traffic.
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