Today's live pollen count in Ontario, California today

Name: Live pollen levels in Ontario, California
Creator: Ambee

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

47 ppm

208

704+

Grass pollen

47 ppm

342+

Weed pollen

19 ppm

267+

AQI

Good

Ontario, California

View Air Pollution Levels

Ontario, California

Scroll To Live Pollen Map

Track live Ontario, California pollen forecast and history

Time	Pollen Risk Level	Tree Pollen	Grass Pollen	Weed Pollen
2025-06-04T11:00:00.000Z	Low	37ppm low	21ppm low	10ppm low
2025-06-04T12:00:00.000Z	Low	34ppm low	19ppm low	10ppm low
2025-06-04T13:00:00.000Z	Low	29ppm low	14ppm low	6ppm low
2025-06-04T14:00:00.000Z	Low	25ppm low	11ppm low	4ppm low
2025-06-04T15:00:00.000Z	Low	39ppm low	18ppm low	7ppm low
2025-06-04T16:00:00.000Z	Moderate	122ppm moderate	56ppm moderate	26ppm moderate
2025-06-04T17:00:00.000Z	Low	40ppm low	23ppm low	12ppm low
2025-06-04T18:00:00.000Z	Low	20ppm low	11ppm low	5ppm low
2025-06-04T19:00:00.000Z	Low	26ppm low	15ppm low	8ppm low
2025-06-04T20:00:00.000Z	Low	32ppm low	15ppm low	7ppm low
2025-06-04T21:00:00.000Z	Low	42ppm low	19ppm low	8ppm low
2025-06-04T22:00:00.000Z	Low	39ppm low	18ppm low	7ppm low
2025-06-04T23:00:00.000Z	Low	50ppm low	24ppm low	11ppm low
2025-06-05T00:00:00.000Z	Moderate	59ppm low	40ppm moderate	22ppm moderate
2025-06-05T01:00:00.000Z	Moderate	47ppm low	33ppm moderate	12ppm low
2025-06-05T02:00:00.000Z	Low	32ppm low	22ppm low	11ppm low
2025-06-05T03:00:00.000Z	Low	30ppm low	25ppm low	10ppm low
2025-06-05T04:00:00.000Z	Low	25ppm low	17ppm low	9ppm low
2025-06-05T05:00:00.000Z	Moderate	49ppm low	34ppm moderate	12ppm low
2025-06-05T06:00:00.000Z	Low	21ppm low	15ppm low	8ppm low
2025-06-05T07:00:00.000Z	Low	25ppm low	17ppm low	9ppm low
2025-06-05T08:00:00.000Z	Low	33ppm low	23ppm low	8ppm low
2025-06-05T09:00:00.000Z	Low	36ppm low	24ppm low	12ppm low
2025-06-05T10:00:00.000Z	Low	32ppm low	26ppm low	10ppm low
2025-06-05T11:00:00.000Z	Low	32ppm low	21ppm low	11ppm low
2025-06-05T12:00:00.000Z	Low	35ppm low	25ppm low	9ppm low
2025-06-05T13:00:00.000Z	Low	31ppm low	21ppm low	11ppm low
2025-06-05T14:00:00.000Z	Low	35ppm low	24ppm low	13ppm low
2025-06-05T15:00:00.000Z	Low	33ppm low	23ppm low	8ppm low
2025-06-05T16:00:00.000Z	Low	33ppm low	22ppm low	11ppm low
2025-06-05T17:00:00.000Z	Low	31ppm low	26ppm low	10ppm low
2025-06-05T18:00:00.000Z	Low	30ppm low	20ppm low	10ppm low
2025-06-05T19:00:00.000Z	Low	35ppm low	24ppm low	9ppm low
2025-06-05T20:00:00.000Z	Low	23ppm low	15ppm low	8ppm low
2025-06-05T21:00:00.000Z	Low	35ppm low	24ppm low	13ppm low
2025-06-05T22:00:00.000Z	Moderate	44ppm low	31ppm moderate	11ppm low
2025-06-05T23:00:00.000Z	Moderate	48ppm low	32ppm moderate	17ppm low
2025-06-06T00:00:00.000Z	Low	32ppm low	27ppm low	15ppm low
2025-06-06T01:00:00.000Z	Moderate	48ppm low	48ppm moderate	20ppm low
2025-06-06T02:00:00.000Z	Moderate	39ppm low	33ppm moderate	13ppm low
2025-06-06T03:00:00.000Z	Low	25ppm low	25ppm low	10ppm low
2025-06-06T04:00:00.000Z	Low	35ppm low	29ppm low	16ppm low
2025-06-06T05:00:00.000Z	High	185ppm moderate	146ppm high	65ppm moderate
2025-06-06T06:00:00.000Z	Moderate	43ppm low	43ppm moderate	19ppm low
2025-06-06T07:00:00.000Z	Moderate	36ppm low	30ppm moderate	17ppm low
2025-06-06T08:00:00.000Z	Low	15ppm low	15ppm low	6ppm low
2025-06-06T09:00:00.000Z	Low	15ppm low	12ppm low	5ppm low
2025-06-06T10:00:00.000Z	Moderate	47ppm low	47ppm moderate	19ppm low
2025-06-06T11:00:00.000Z	Moderate	49ppm low	40ppm moderate	23ppm moderate
2025-06-06T12:00:00.000Z	Moderate	45ppm low	45ppm moderate	20ppm low
2025-06-06T13:00:00.000Z	Moderate	51ppm low	51ppm moderate	22ppm moderate
2025-06-06T14:00:00.000Z	Moderate	42ppm low	34ppm moderate	20ppm low
2025-06-06T15:00:00.000Z	Moderate	31ppm low	31ppm moderate	13ppm low
2025-06-06T16:00:00.000Z	Low	26ppm low	22ppm low	8ppm low
2025-06-06T17:00:00.000Z	Low	29ppm low	29ppm low	12ppm low
2025-06-06T18:00:00.000Z	Moderate	71ppm low	59ppm moderate	34ppm moderate
2025-06-06T19:00:00.000Z	High	64ppm low	64ppm high	28ppm moderate
2025-06-06T20:00:00.000Z	Moderate	33ppm low	33ppm moderate	15ppm low
2025-06-06T21:00:00.000Z	Low	22ppm low	18ppm low	10ppm low
2025-06-06T22:00:00.000Z	Moderate	59ppm low	59ppm moderate	24ppm moderate
2025-06-06T23:00:00.000Z	Moderate	67ppm low	55ppm moderate	22ppm moderate
2025-06-07T00:00:00.000Z	Low	14ppm low	22ppm low	11ppm low
2025-06-07T01:00:00.000Z	Low	23ppm low	28ppm low	14ppm low
2025-06-07T02:00:00.000Z	High	44ppm low	66ppm high	33ppm moderate
2025-06-07T03:00:00.000Z	Moderate	38ppm low	47ppm moderate	22ppm moderate
2025-06-07T04:00:00.000Z	Moderate	33ppm low	41ppm moderate	18ppm low
2025-06-07T05:00:00.000Z	Low	20ppm low	24ppm low	11ppm low
2025-06-07T06:00:00.000Z	Moderate	28ppm low	34ppm moderate	16ppm low
2025-06-07T07:00:00.000Z	Moderate	21ppm low	31ppm moderate	16ppm low
2025-06-07T08:00:00.000Z	Low	22ppm low	27ppm low	13ppm low
2025-06-07T09:00:00.000Z	Low	17ppm low	25ppm low	13ppm low
2025-06-07T10:00:00.000Z	Moderate	39ppm low	47ppm moderate	22ppm moderate
2025-06-07T11:00:00.000Z	Moderate	35ppm low	43ppm moderate	19ppm low
2025-06-07T12:00:00.000Z	Moderate	37ppm low	46ppm moderate	20ppm low
2025-06-07T13:00:00.000Z	Moderate	37ppm low	45ppm moderate	21ppm moderate
2025-06-07T14:00:00.000Z	Moderate	22ppm low	33ppm moderate	17ppm low
2025-06-07T15:00:00.000Z	Low	21ppm low	25ppm low	12ppm low
2025-06-07T16:00:00.000Z	Low	14ppm low	21ppm low	11ppm low
2025-06-07T17:00:00.000Z	Moderate	30ppm low	37ppm moderate	17ppm low
2025-06-07T18:00:00.000Z	Moderate	25ppm low	31ppm moderate	14ppm low
2025-06-07T19:00:00.000Z	Low	13ppm low	15ppm low	7ppm low
2025-06-07T20:00:00.000Z	Low	17ppm low	21ppm low	10ppm low
2025-06-07T21:00:00.000Z	High	49ppm low	73ppm high	37ppm moderate
2025-06-07T22:00:00.000Z	Low	13ppm low	16ppm low	8ppm low
2025-06-07T23:00:00.000Z	Low	12ppm low	19ppm low	9ppm low
2025-06-08T00:00:00.000Z	Moderate	29ppm low	44ppm moderate	22ppm moderate
2025-06-08T01:00:00.000Z	Low	6ppm low	9ppm low	4ppm low
2025-06-08T02:00:00.000Z	Moderate	18ppm low	33ppm moderate	13ppm low
2025-06-08T03:00:00.000Z	Moderate	17ppm low	33ppm moderate	17ppm low
2025-06-08T04:00:00.000Z	High	46ppm low	87ppm high	46ppm moderate
2025-06-08T05:00:00.000Z	Moderate	20ppm low	36ppm moderate	14ppm low
2025-06-08T06:00:00.000Z	Moderate	25ppm low	37ppm moderate	18ppm low
2025-06-08T07:00:00.000Z	Low	17ppm low	25ppm low	12ppm low
2025-06-08T08:00:00.000Z	Low	10ppm low	15ppm low	8ppm low
2025-06-08T09:00:00.000Z	Moderate	19ppm low	34ppm moderate	14ppm low
2025-06-08T10:00:00.000Z	Low	12ppm low	23ppm low	12ppm low

Pollen Level

Ontario

Time	Pollen Risk Level	Tree Pollen	Grass Pollen	Weed Pollen
No results found

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Different types of pollen concentrations in Ontario, California

0ppm

Ash

2ppm

Birch

3ppm

Elm

0ppm

Maple

5ppm

Mulberry

7ppm

Oak

4ppm

Pine

19ppm

Ragweed

Ontario, California allergy map: Track pollen near you

Grass

Allergy tips for Ontario, California

As pollen risk levels are

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.