Real-time pollen count in Foster City, California today

Name: Live pollen levels in Foster City, California
Creator: Ambee

Stay updated with real-time pollen levels in Foster City, California. Use our interactive maps and forecasts to manage allergies and confidently plan outdoor activities.

Live Pollen Level

Low

Foster City, 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 Foster City, California

Low

Moderate

High

Very high

Tree pollen

26 ppm

208

704+

Grass pollen

22 ppm

342+

Weed pollen

8 ppm

267+

AQI

Good

Foster City, California

View Air Pollution Levels

Foster City, California

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Track live Foster City, California pollen forecast and history

Time	Pollen Risk Level	Tree Pollen	Grass Pollen	Weed Pollen
2025-06-04T23:00:00.000Z	Moderate	52ppm low	30ppm moderate	15ppm low
2025-06-05T00:00:00.000Z	Low	34ppm low	23ppm low	12ppm low
2025-06-05T01:00:00.000Z	Moderate	46ppm low	38ppm moderate	15ppm low
2025-06-05T02:00:00.000Z	Low	20ppm low	13ppm low	6ppm low
2025-06-05T03:00:00.000Z	Moderate	46ppm low	32ppm moderate	11ppm low
2025-06-05T04:00:00.000Z	Low	31ppm low	21ppm low	11ppm low
2025-06-05T05:00:00.000Z	Moderate	51ppm low	35ppm moderate	19ppm low
2025-06-05T06:00:00.000Z	Low	33ppm low	23ppm low	8ppm low
2025-06-05T07:00:00.000Z	Low	35ppm low	24ppm low	12ppm low
2025-06-05T08:00:00.000Z	Low	32ppm low	26ppm low	10ppm low
2025-06-05T09:00:00.000Z	Low	32ppm low	22ppm low	11ppm low
2025-06-05T10:00:00.000Z	Low	36ppm low	25ppm low	9ppm low
2025-06-05T11:00:00.000Z	Low	32ppm low	22ppm low	12ppm low
2025-06-05T12:00:00.000Z	Moderate	70ppm low	48ppm moderate	26ppm moderate
2025-06-05T13:00:00.000Z	Low	29ppm low	20ppm low	7ppm low
2025-06-05T14:00:00.000Z	Moderate	65ppm low	43ppm moderate	22ppm moderate
2025-06-05T15:00:00.000Z	Low	30ppm low	25ppm low	10ppm low
2025-06-05T16:00:00.000Z	Low	32ppm low	21ppm low	11ppm low
2025-06-05T17:00:00.000Z	Low	36ppm low	25ppm low	9ppm low
2025-06-05T18:00:00.000Z	Low	32ppm low	22ppm low	12ppm low
2025-06-05T19:00:00.000Z	Low	32ppm low	22ppm low	12ppm low
2025-06-05T20:00:00.000Z	Low	36ppm low	25ppm low	9ppm low
2025-06-05T21:00:00.000Z	Low	38ppm low	25ppm low	13ppm low
2025-06-05T22:00:00.000Z	Low	20ppm low	17ppm low	6ppm low
2025-06-05T23:00:00.000Z	Low	36ppm low	24ppm low	12ppm low
2025-06-06T00:00:00.000Z	Low	32ppm low	27ppm low	10ppm low
2025-06-06T01:00:00.000Z	Moderate	34ppm low	34ppm moderate	14ppm low
2025-06-06T02:00:00.000Z	Moderate	36ppm low	30ppm moderate	17ppm low
2025-06-06T03:00:00.000Z	Moderate	53ppm low	53ppm moderate	23ppm moderate
2025-06-06T04:00:00.000Z	Moderate	41ppm low	41ppm moderate	18ppm low
2025-06-06T05:00:00.000Z	High	159ppm moderate	113ppm high	65ppm moderate
2025-06-06T06:00:00.000Z	Low	28ppm low	28ppm low	11ppm low
2025-06-06T07:00:00.000Z	Low	30ppm low	25ppm low	10ppm low
2025-06-06T08:00:00.000Z	Moderate	48ppm low	48ppm moderate	20ppm low
2025-06-06T09:00:00.000Z	Low	27ppm low	22ppm low	13ppm low
2025-06-06T10:00:00.000Z	High	104ppm moderate	104ppm high	46ppm moderate
2025-06-06T11:00:00.000Z	Low	16ppm low	16ppm low	7ppm low
2025-06-06T12:00:00.000Z	Low	26ppm low	21ppm low	12ppm low
2025-06-06T13:00:00.000Z	High	102ppm moderate	102ppm high	42ppm moderate
2025-06-06T14:00:00.000Z	High	116ppm moderate	97ppm high	38ppm moderate
2025-06-06T15:00:00.000Z	Low	25ppm low	25ppm low	10ppm low
2025-06-06T16:00:00.000Z	High	116ppm moderate	96ppm high	55ppm moderate
2025-06-06T17:00:00.000Z	High	97ppm moderate	97ppm high	43ppm moderate
2025-06-06T18:00:00.000Z	Moderate	39ppm low	39ppm moderate	17ppm low
2025-06-06T19:00:00.000Z	Moderate	65ppm low	54ppm moderate	31ppm moderate
2025-06-06T20:00:00.000Z	Low	24ppm low	24ppm low	10ppm low
2025-06-06T21:00:00.000Z	Low	26ppm low	22ppm low	8ppm low
2025-06-06T22:00:00.000Z	Moderate	30ppm low	30ppm moderate	12ppm low
2025-06-06T23:00:00.000Z	Moderate	45ppm low	37ppm moderate	21ppm moderate
2025-06-07T00:00:00.000Z	Moderate	27ppm low	40ppm moderate	20ppm low
2025-06-07T01:00:00.000Z	Low	24ppm low	29ppm low	13ppm low
2025-06-07T02:00:00.000Z	Low	17ppm low	21ppm low	9ppm low
2025-06-07T03:00:00.000Z	Low	22ppm low	27ppm low	12ppm low
2025-06-07T04:00:00.000Z	Low	10ppm low	13ppm low	6ppm low
2025-06-07T05:00:00.000Z	Low	14ppm low	21ppm low	10ppm low
2025-06-07T06:00:00.000Z	Low	15ppm low	18ppm low	9ppm low
2025-06-07T07:00:00.000Z	Low	12ppm low	18ppm low	9ppm low
2025-06-07T08:00:00.000Z	Low	14ppm low	18ppm low	8ppm low
2025-06-07T09:00:00.000Z	Low	12ppm low	15ppm low	6ppm low
2025-06-07T10:00:00.000Z	Low	14ppm low	17ppm low	8ppm low
2025-06-07T11:00:00.000Z	Low	12ppm low	15ppm low	7ppm low
2025-06-07T12:00:00.000Z	Low	14ppm low	21ppm low	10ppm low
2025-06-07T13:00:00.000Z	Low	15ppm low	18ppm low	9ppm low
2025-06-07T14:00:00.000Z	Moderate	21ppm low	32ppm moderate	16ppm low
2025-06-07T15:00:00.000Z	Moderate	39ppm low	47ppm moderate	22ppm moderate
2025-06-07T16:00:00.000Z	Low	16ppm low	20ppm low	9ppm low
2025-06-07T17:00:00.000Z	Low	24ppm low	29ppm low	13ppm low
2025-06-07T18:00:00.000Z	Moderate	29ppm low	36ppm moderate	17ppm low
2025-06-07T19:00:00.000Z	Moderate	36ppm low	54ppm moderate	27ppm moderate
2025-06-07T20:00:00.000Z	High	54ppm low	65ppm high	32ppm moderate
2025-06-07T21:00:00.000Z	High	45ppm low	67ppm high	34ppm moderate
2025-06-07T22:00:00.000Z	High	70ppm low	84ppm high	40ppm moderate
2025-06-07T23:00:00.000Z	Moderate	34ppm low	42ppm moderate	18ppm low
2025-06-08T00:00:00.000Z	High	43ppm low	77ppm high	31ppm moderate
2025-06-08T01:00:00.000Z	Moderate	17ppm low	31ppm moderate	17ppm low
2025-06-08T02:00:00.000Z	Low	15ppm low	29ppm low	15ppm low
2025-06-08T03:00:00.000Z	Low	13ppm low	24ppm low	9ppm low
2025-06-08T04:00:00.000Z	Low	20ppm low	29ppm low	15ppm low
2025-06-08T05:00:00.000Z	Low	15ppm low	23ppm low	11ppm low
2025-06-08T06:00:00.000Z	Low	14ppm low	21ppm low	11ppm low
2025-06-08T07:00:00.000Z	Moderate	19ppm low	35ppm moderate	14ppm low
2025-06-08T08:00:00.000Z	Moderate	17ppm low	31ppm moderate	17ppm low
2025-06-08T09:00:00.000Z	Moderate	18ppm low	35ppm moderate	18ppm low
2025-06-08T10:00:00.000Z	Low	11ppm low	20ppm low	8ppm low
2025-06-08T11:00:00.000Z	Low	16ppm low	23ppm low	12ppm low
2025-06-08T12:00:00.000Z	Moderate	20ppm low	31ppm moderate	15ppm low
2025-06-08T13:00:00.000Z	Moderate	22ppm low	33ppm moderate	17ppm low
2025-06-08T14:00:00.000Z	Low	14ppm low	26ppm low	10ppm low
2025-06-08T15:00:00.000Z	Low	14ppm low	26ppm low	14ppm low
2025-06-08T16:00:00.000Z	Low	10ppm low	19ppm low	10ppm low
2025-06-08T17:00:00.000Z	Moderate	26ppm low	47ppm moderate	19ppm low
2025-06-08T18:00:00.000Z	Moderate	26ppm low	38ppm moderate	19ppm low
2025-06-08T19:00:00.000Z	High	55ppm low	83ppm high	41ppm moderate
2025-06-08T20:00:00.000Z	Moderate	36ppm low	54ppm moderate	27ppm moderate
2025-06-08T21:00:00.000Z	Moderate	20ppm low	36ppm moderate	14ppm low
2025-06-08T22:00:00.000Z	Moderate	26ppm low	49ppm moderate	26ppm moderate

Pollen Level

Foster City

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

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Pollen sub-types concentrations in Foster City, California

1ppm

Ash

1ppm

Birch

2ppm

Elm

1ppm

Maple

3ppm

Mulberry

8ppm

Oak

5ppm

Pine

8ppm

Ragweed

Foster City, California allergy map: Track pollen near you

Grass

Allergy tips for Foster City, California

As pollen risk levels are

Low

Enjoy spending more time outdoors in Foster City, California with today's minimal pollen levels.
Open windows at home or work to let in fresh air, free from allergy concerns in Foster City, California.
Take advantage of this low-pollen period to relax in your patio or garden in Foster City, California.
Take advantage of this low-pollen period to relax in your patio or garden in Foster City, California.
Organize social gatherings or outdoor picnics in Foster City, California while pollen levels are low.

How accurate is California, USA pollen data?

Ambee’s pollen data for California, USA is grounded in National Allergy Bureau (NAB) guidelines, ensuring accuracy with real-time updates. Our models incorporate historical patterns, weather, and machine learning to provide trusted pollen forecasts and risk levels for effective allergy control.

Disclaimer: While we strive for accuracy, individual responses to allergens may vary. Always consult a healthcare provider for personal advice.