Pollen Forecast for Petaluma, California
Medium-High
Ash, Alder, Cedar/Juniper
Discussion
The pollen levels for Friday will be falling in the moderate range. This lower level is caused by falling temperatures, lack of strong winds and expected precipitation in the morning, afternoon 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.
Allergy Facts
Pollen typically is released from a plant to eventually pollinate another plant, or land on the ground. However, pollen grains may become re-suspended into the air from their original resting places if weather conditions are right.