Stay updated with real-time pollen levels in Walnut, California. Use our interactive maps and forecasts to manage allergies and confidently plan outdoor activities.
Live Pollen Level
Low
Walnut, 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
12 ppm
0
95
208
704+
2 ppm
0
30
61
342+
17 ppm
0
21
78
267+
AQI
27
Good
Walnut, California
Walnut, California
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0ppm
Ash
0ppm
Birch
12ppm
Elm
0ppm
Maple
0ppm
Mulberry
0ppm
Oak
0ppm
Pine
17ppm
Ragweed
Low
12ppm
Tree
17ppm
Weed
2ppm
Grass
Low
11ppm
Tree
15ppm
Weed
2ppm
Grass
Low
12ppm
Tree
17ppm
Weed
2ppm
Grass
Low
12ppm
Tree
17ppm
Weed
2ppm
Grass
Low
12ppm
Tree
17ppm
Weed
2ppm
Grass
Low
11ppm
Tree
16ppm
Weed
2ppm
Grass
Low

Ambee’s pollen data for California, USA follows National Allergy Bureau (NAB) standards, offering accurate, real-time updates with clear allergy risk levels. Our approach, using machine learning and historical trends, ensures precise, hyper-local pollen forecasts to support allergy management.
Disclaimer: While we strive for accuracy, individual responses to allergens may vary. Always consult a healthcare provider for personal advice.
The pollen information for Walnut, California is updated every hour for accuracy.
In Walnut, California, today's pollen level suggests a low risk for allergies.
The pollen level in Walnut, California yesterday was undefined.
Today, the ragweed count in Walnut, California stands at 17 ppm, indicating high allergy risk.
The oak pollen level in Walnut, California today is 0 ppm.
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