Pollen Forecast for Danville, California
Medium
Alder, Elm and Ash
Today
The quantity of pollen grains in the air for Wednesday will be falling in the moderate range. The cause for the falling pollen levels is rising humidity, weak winds and expected precipitation in the evening which tends to wash pollen out of the air.
Outlook
The amount of pollen in the air for Thursday will be falling into the extremely low range. This decrease is due to rising humidity, strong winds and heavy rains in the morning and evening which tend to wash pollen out of the air.