Allergies & Pollen

Pollen Forecast for Ontario, California

4.5
Low-Medium
Mulberry, Oak and Grass
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Today
The amount of pollen in the air for Sunday will be falling in the moderate range. This forecast of lower pollen concentration is based on falling temperatures and expected precipitation in the morning which tends to wash pollen out of the air.
Outlook
Based on past pollen counts and expected weather conditions, pollen levels for Monday will remain stable in the moderate range. Pollen producing plants are at a relatively steady level of pollination at this time.