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
Low
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
10 ppm
0
95
208
704+
Grass pollen
0 ppm
0
30
61
342+
Weed pollen
1 ppm
0
21
78
267+
AQI
66
Moderate
Ontario, California
Ontario, California
Scroll To Live Pollen Map
Track live Ontario, California pollen forecast and history
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Different types of pollen concentrations in Ontario, California
0ppm
Ash
0ppm
Birch
0ppm
Elm
0ppm
Maple
0ppm
Mulberry
0ppm
Oak
0ppm
Pine
1ppm
Ragweed
Ontario, California allergy map: Track pollen near you
Pollen count in nearby cities
Upland, California
Low
13ppm
Tree
1ppm
Weed
0ppm
Grass
Chino, California
Low
1ppm
Tree
0ppm
Weed
0ppm
Grass
Rancho Cucamonga, California
Low
9ppm
Tree
1ppm
Weed
0ppm
Grass
Claremont, California
Low
7ppm
Tree
0ppm
Weed
0ppm
Grass
Pomona, California
Low
5ppm
Tree
0ppm
Weed
0ppm
Grass
Chino Hills, California
Low
6ppm
Tree
1ppm
Weed
0ppm
Grass
Allergy tips for Ontario, California
Low
- It's a great day to be outdoors in Ontario, California with low pollen levels.
- Let the breeze in by opening windows at home or work in Ontario, California, ensuring a comfortable environment without allergies.
- Make the most of this low-pollen phase by spending time lounging in your outdoor spaces in Ontario, California.
- Make the most of this low-pollen phase by spending time lounging in your outdoor spaces in Ontario, California.
- Take advantage of this low-pollen period to plan picnics and social gatherings in Ontario, California.
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 low.
What was the pollen reading in Ontario, California yesterday?
Yesterday, the pollen reading in Ontario, California showed low levels.
What's the ragweed level in Ontario, California today?
In Ontario, California the ragweed count today is 1 ppm, contributing to low 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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