Today's live pollen count in Ontario, California
Stay updated with real-time pollen levels in Ontario, California. Use our interactive maps and forecasts to manage allergies and confidently plan outdoor activities.
Live Pollen Level
Moderate
Ontario, 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.
Allergies right now in Ontario, California
Low
Moderate
High
Very high
Tree pollen
0 ppm
0
95
208
704+
Grass pollen
0 ppm
0
30
61
342+
Weed pollen
30 ppm
0
21
78
267+
AQI
44
Good
Ontario, California
Ontario, California
Live Pollen Map
Track live Ontario, California pollen forecast and history
Ontario Loading...
Different types of pollen concentrations in Ontario, California
0ppm
Ash
0ppm
Birch
0ppm
Elm
0ppm
Maple
0ppm
Mulberry
0ppm
Oak
0ppm
Pine
30ppm
Ragweed
Pollen count in nearby cities
Upland, California
High
0ppm
Tree
148ppm
Weed
17ppm
Grass
Chino, California
Moderate
0ppm
Tree
65ppm
Weed
7ppm
Grass
Rancho Cucamonga, California
High
0ppm
Tree
129ppm
Weed
7ppm
Grass
Claremont, California
Moderate
0ppm
Tree
27ppm
Weed
2ppm
Grass
Pomona, California
Moderate
0ppm
Tree
77ppm
Weed
8ppm
Grass
Chino Hills, California
High
0ppm
Tree
93ppm
Weed
5ppm
Grass
Allergy tips for Ontario, California
Moderate
- Drive safely in Ontario, California by closing windows to avoid pollen and relying on the air conditioner instead.
- Protect against pollen in Ontario, California by washing your hands and face often throughout the day.
- Minimize pollen exposure in Ontario, California by wearing a hat or cap while outdoors.
- Keep your eyes shielded from pollen in Ontario, California with a pair of sunglasses.
- Stay ahead of allergy symptoms in Ontario, California by taking preventive medication.
- Ensure cleaner indoor air in Ontario, California with a HEPA filter in your air conditioning system to capture pollen particles.
How accurate is California, USA pollen data?
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.
Frequently asked questions
How frequently does the pollen data for Ontario, California get updated?
Pollen updates for Ontario, California are available every hour.
What is the pollen risk in Ontario, California today?
Today, Ontario, California experiences a pollen risk categorized as moderate.
What was the pollen reading in Ontario, California yesterday?
Yesterday, the pollen reading in Ontario, California showed high levels.
What's the ragweed level in Ontario, California today?
In Ontario, California the ragweed count today is 30 ppm, contributing to moderate allergy risks.
What is the oak pollen reading today in Ontario, California?
The oak pollen reading in Ontario, California today is 0 ppm.
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