Stay updated with real-time pollen levels in Signal Hill, California. Use our interactive maps and forecasts to manage allergies and confidently plan outdoor activities.
Live Pollen Level
Moderate
Signal Hill, 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
16 ppm
0
95
208
704+
30 ppm
0
30
61
342+
16 ppm
0
21
78
267+
AQI
49
Good
Signal Hill, California
Signal Hill, California
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0ppm
Ash
0ppm
Birch
0ppm
Elm
0ppm
Maple
1ppm
Mulberry
5ppm
Oak
3ppm
Pine
16ppm
Ragweed
Low
17ppm
Tree
13ppm
Weed
25ppm
Grass
Moderate
16ppm
Tree
12ppm
Weed
30ppm
Grass
Low
11ppm
Tree
8ppm
Weed
21ppm
Grass
Low
17ppm
Tree
13ppm
Weed
26ppm
Grass
Moderate
17ppm
Tree
12ppm
Weed
31ppm
Grass
Low
13ppm
Tree
9ppm
Weed
19ppm
Grass
Moderate

Ambee provides accurate pollen data for California, USA aligned with National Allergy Bureau (NAB) guidelines. By combining historical research, weather data, and machine learning, we deliver reliable, real-time insights with clear risk levels to help manage allergies effectively.
Disclaimer: While we strive for accuracy, individual responses to allergens may vary. Always consult a healthcare provider for personal advice.
Pollen updates for Signal Hill, California are available every hour.
Today, Signal Hill, California experiences a pollen risk categorized as moderate.
Yesterday, the pollen reading in Signal Hill, California showed high levels.
In Signal Hill, California the ragweed count today is 16 ppm, contributing to low allergy risks.
The oak pollen reading in Signal Hill, California today is 5 ppm.
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