We're back to poor air quality on Saturday. We should see increasing PM2.5 levels overnight, and there is a good chance we will make it into Very Unhealthy before noon. After noon, we should see the pollution drop off some, but the weather forecasts do not agree on the conditions. Because of that, it's unclear whether we will remain at Very Unhealthy in the evening or drop back down toward Good/Moderate air quality.
EXTENDED FORECAST
SUNDAY, March 9: The poor air quality should be back on Sunday with increasing pollution levels throughout the day. We could stay as low as Unhealthy during the day or we could move up into Very Unhealthy at some point.
MONDAY, March 10: Look for more of the same poor air quality on Monday, although it looks like Monday could have higher pollution levels than we will see over the weekend.
TUESDAY, March 11: The poor air quality should continue through the morning, but our next round of clean air should be moving in between late afternoon and evening.
UPDATE – Our prediction with overlay of actual readings:
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