Stay updated with real-time pollen levels in Foster City, California. Use our interactive maps and forecasts to manage allergies and confidently plan outdoor activities.
Live Pollen Level
High
Foster City, California
Last updated: ... (Local time)

Disclaimer: The information provided is for informational purposes only and should not be considered medical advice. Always consult a healthcare professional for allergy-related concerns.
Low
Moderate
High
Very high
370 ppm
0
95
208
704+
0 ppm
0
30
61
342+
0 ppm
0
21
78
267+
AQI
31
Good
Foster City, California
Foster City, California
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37ppm
Ash
37ppm
Birch
25ppm
Elm
22ppm
Maple
37ppm
Mulberry
114ppm
Oak
25ppm
Pine
0ppm
Ragweed
Very high
716ppm
Tree
0ppm
Weed
0ppm
Grass
Low
76ppm
Tree
0ppm
Weed
0ppm
Grass
High
390ppm
Tree
0ppm
Weed
0ppm
Grass
High
424ppm
Tree
0ppm
Weed
0ppm
Grass
High
390ppm
Tree
0ppm
Weed
0ppm
Grass
High
307ppm
Tree
0ppm
Weed
0ppm
Grass
High

Ambee’s pollen data for California, USA is grounded in National Allergy Bureau (NAB) guidelines, ensuring accuracy with real-time updates. Our models incorporate historical patterns, weather, and machine learning to provide trusted pollen forecasts and risk levels for effective allergy control.
Disclaimer: While we strive for accuracy, individual responses to allergens may vary. Always consult a healthcare provider for personal advice.
Pollen data for Foster City, California is updated on an hourly basis.
In Foster City, California, today's pollen risk is reported as high.
Yesterday, Foster City, California recorded a pollen level of very high.
The ragweed count in Foster City, California today is 0 ppm, which is low.
The current oak pollen count in Foster City, California today is 114 ppm right now.
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