Well, it's that time of year again... (Fires were started by the thunderstorms a few days ago.)

Aug 19, 2020 · 2:53 AM UTC

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Managing ventilation for the combination of COVID-19 + fire smoke + heatwave is going to be interesting...
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Downtown Palo Alto graph:
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Replying to @davidbaron
*scrolls south* Literally off the chart.