We're looking for more poor air quality on Saturday. Look for increasing PM2.5 levels overnight, likely reaching up to Very Unhealthy at some point in the morning. We could see those numbers dip a bit in the afternoon, but that looks unlikely with the current forecast.
EXTENDED FORECAST
SUNDAY, April 20: Sunday should start off with poor air quality, but we should see a wind shift early in the morning. There is some chance of clearing skies in the late morning and afternoon, but it looks like a small chance at this point. It is more likely that we will see Unhealthy or worse conditions for the entire day.
MONDAY, April 21: We could have more moderate pollution on Monday. There’s no clear trend at this point, but it looks like there is a decent chance that we could have Unhealthy or better conditions for most of the day.
TUESDAY, April 22: We expect to be back to our normal spring/summer pattern on Tuesday: high(er) AQI readings in the morning, then somewhat reduced AQI readings in the afternoon. We should see the AQI at Unhealthy or worse for the entire day.
UPDATE – Our prediction with overlay of actual readings:
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