Pollen Alerts For Alum Rock, CA

Pollen Index: 9.1 Pollen Level: medium-high Predominant Pollen: Alder, Ash and Cedar/Juniper. The pollen levels for Thursday will be falling in the moderate range. Since the weather has a major influence on pollen dispersal, this decrease is due in part to falling temperatures and expected precipitation in the morning and evening which tends to wash pollen out of the air. This will improve your outlook if you have allergies and enjoy the out of doors.