Allergies & Pollen
Pollen Forecast for Rancho Cucamonga, California
3.9
Low-Medium
Elm
Today
The amount of pollen in the air for Thursday will be falling in the low range. This relief in pollen levels is caused in part by lack of strong winds.
Outlook
Pollen concentrations for Friday will be falling in the low range. This decrease is due to falling temperatures, rising relative humidity and weaker winds.