Thursday should be another day with highly variable air quality, but we're expecting the PM2.5 levels to be higher overall than the past few days. We should see a general increasing trend before sunrise, decreasing between sunrise and about noon, then increasing pollution for the afternoon and evening. Look for PM2.5 levels to put us at Unhealthy or Very Unhealthy for nearly the entire day.
UPDATE – Our prediction with overlay of actual readings:
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