Live pollen count in San Mateo, California today

Name: Live pollen levels in San Mateo, California
Creator: Ambee

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

Live Pollen Level

Low

San Mateo, 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.

San Mateo, California allergies right now

Low

Moderate

High

Very high

Tree pollen

26 ppm

208

704+

Grass pollen

21 ppm

342+

Weed pollen

12 ppm

267+

AQI

Good

San Mateo, California

View Air Pollution Levels

San Mateo, California

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Track live San Mateo, California pollen forecast and history

Time	Pollen Risk Level	Tree Pollen	Grass Pollen	Weed Pollen
2025-06-05T12:00:00.000Z	Low	26ppm low	18ppm low	9ppm low
2025-06-05T13:00:00.000Z	Low	19ppm low	13ppm low	7ppm low
2025-06-05T14:00:00.000Z	Low	24ppm low	17ppm low	6ppm low
2025-06-05T15:00:00.000Z	Moderate	48ppm low	32ppm moderate	16ppm low
2025-06-05T16:00:00.000Z	Low	28ppm low	24ppm low	9ppm low
2025-06-05T17:00:00.000Z	Low	27ppm low	18ppm low	9ppm low
2025-06-05T18:00:00.000Z	Low	16ppm low	11ppm low	4ppm low
2025-06-05T19:00:00.000Z	Low	13ppm low	9ppm low	5ppm low
2025-06-05T20:00:00.000Z	Low	16ppm low	11ppm low	6ppm low
2025-06-05T21:00:00.000Z	Low	12ppm low	8ppm low	3ppm low
2025-06-05T22:00:00.000Z	Low	15ppm low	10ppm low	5ppm low
2025-06-05T23:00:00.000Z	Low	13ppm low	11ppm low	4ppm low
2025-06-06T00:00:00.000Z	High	86ppm low	86ppm high	35ppm moderate
2025-06-06T01:00:00.000Z	Low	28ppm low	23ppm low	9ppm low
2025-06-06T02:00:00.000Z	Low	19ppm low	19ppm low	8ppm low
2025-06-06T03:00:00.000Z	Low	21ppm low	18ppm low	10ppm low
2025-06-06T04:00:00.000Z	Low	21ppm low	21ppm low	9ppm low
2025-06-06T05:00:00.000Z	Low	24ppm low	24ppm low	10ppm low
2025-06-06T06:00:00.000Z	Low	27ppm low	22ppm low	13ppm low
2025-06-06T07:00:00.000Z	Low	16ppm low	16ppm low	6ppm low
2025-06-06T08:00:00.000Z	Low	30ppm low	25ppm low	10ppm low
2025-06-06T09:00:00.000Z	Low	20ppm low	20ppm low	8ppm low
2025-06-06T10:00:00.000Z	Low	16ppm low	13ppm low	7ppm low
2025-06-06T11:00:00.000Z	Low	14ppm low	14ppm low	6ppm low
2025-06-06T12:00:00.000Z	Low	22ppm low	22ppm low	9ppm low
2025-06-06T13:00:00.000Z	Low	6ppm low	5ppm low	3ppm low
2025-06-06T14:00:00.000Z	Low	8ppm low	8ppm low	3ppm low
2025-06-06T15:00:00.000Z	Low	15ppm low	13ppm low	5ppm low
2025-06-06T16:00:00.000Z	Low	7ppm low	7ppm low	3ppm low
2025-06-06T17:00:00.000Z	Low	29ppm low	24ppm low	13ppm low
2025-06-06T18:00:00.000Z	Moderate	53ppm low	53ppm moderate	23ppm moderate
2025-06-06T19:00:00.000Z	Low	23ppm low	23ppm low	10ppm low
2025-06-06T20:00:00.000Z	Moderate	40ppm low	33ppm moderate	19ppm low
2025-06-06T21:00:00.000Z	Moderate	52ppm low	52ppm moderate	22ppm moderate
2025-06-06T22:00:00.000Z	Low	20ppm low	17ppm low	6ppm low
2025-06-06T23:00:00.000Z	Moderate	52ppm low	52ppm moderate	21ppm moderate
2025-06-07T00:00:00.000Z	Low	12ppm low	14ppm low	7ppm low
2025-06-07T01:00:00.000Z	Low	11ppm low	17ppm low	9ppm low
2025-06-07T02:00:00.000Z	Moderate	40ppm low	48ppm moderate	23ppm moderate
2025-06-07T03:00:00.000Z	Moderate	33ppm low	40ppm moderate	18ppm low
2025-06-07T04:00:00.000Z	Low	9ppm low	12ppm low	5ppm low
2025-06-07T05:00:00.000Z	Low	15ppm low	18ppm low	8ppm low
2025-06-07T06:00:00.000Z	Low	17ppm low	25ppm low	13ppm low
2025-06-07T07:00:00.000Z	Low	10ppm low	12ppm low	6ppm low
2025-06-07T08:00:00.000Z	Low	8ppm low	12ppm low	6ppm low
2025-06-07T09:00:00.000Z	Low	11ppm low	13ppm low	6ppm low
2025-06-07T10:00:00.000Z	Low	4ppm low	5ppm low	2ppm low
2025-06-07T11:00:00.000Z	Low	10ppm low	12ppm low	5ppm low
2025-06-06T16:00:00.000Z	High	96ppm moderate	96ppm high	40ppm moderate
2025-06-06T17:00:00.000Z	Moderate	42ppm low	35ppm moderate	14ppm low
2025-06-06T18:00:00.000Z	High	128ppm moderate	121ppm high	50ppm moderate
2025-06-06T19:00:00.000Z	Low	29ppm low	24ppm low	14ppm low
2025-06-06T20:00:00.000Z	Moderate	46ppm low	46ppm moderate	21ppm moderate
2025-06-06T21:00:00.000Z	Moderate	43ppm low	43ppm moderate	19ppm low
2025-06-06T22:00:00.000Z	Low	35ppm low	29ppm low	16ppm low
2025-06-06T23:00:00.000Z	Moderate	37ppm low	37ppm moderate	15ppm low
2025-06-07T00:00:00.000Z	Low	20ppm low	24ppm low	11ppm low
2025-06-07T01:00:00.000Z	Low	20ppm low	29ppm low	15ppm low
2025-06-07T02:00:00.000Z	Moderate	31ppm low	38ppm moderate	19ppm low
2025-06-07T03:00:00.000Z	Moderate	33ppm low	50ppm moderate	25ppm moderate
2025-06-07T04:00:00.000Z	Low	13ppm low	15ppm low	7ppm low
2025-06-07T05:00:00.000Z	Low	10ppm low	13ppm low	6ppm low
2025-06-07T06:00:00.000Z	Low	13ppm low	16ppm low	7ppm low
2025-06-07T07:00:00.000Z	Low	12ppm low	15ppm low	7ppm low
2025-06-07T08:00:00.000Z	Low	14ppm low	21ppm low	10ppm low
2025-06-07T09:00:00.000Z	Low	15ppm low	18ppm low	9ppm low
2025-06-07T10:00:00.000Z	Low	12ppm low	18ppm low	9ppm low
2025-06-07T11:00:00.000Z	Low	14ppm low	18ppm low	8ppm low
2025-06-07T12:00:00.000Z	Low	12ppm low	15ppm low	6ppm low
2025-06-07T13:00:00.000Z	Low	14ppm low	17ppm low	8ppm low
2025-06-07T14:00:00.000Z	Moderate	25ppm low	31ppm moderate	14ppm low
2025-06-07T15:00:00.000Z	Low	20ppm low	29ppm low	15ppm low
2025-06-07T16:00:00.000Z	Low	21ppm low	25ppm low	12ppm low
2025-06-07T17:00:00.000Z	Low	18ppm low	27ppm low	14ppm low
2025-06-07T18:00:00.000Z	Low	21ppm low	26ppm low	12ppm low
2025-06-07T19:00:00.000Z	Moderate	26ppm low	32ppm moderate	14ppm low
2025-06-07T20:00:00.000Z	Moderate	32ppm low	39ppm moderate	17ppm low
2025-06-07T21:00:00.000Z	Moderate	29ppm low	36ppm moderate	17ppm low
2025-06-07T22:00:00.000Z	Moderate	29ppm low	43ppm moderate	22ppm moderate
2025-06-07T23:00:00.000Z	Moderate	32ppm low	38ppm moderate	19ppm low
2025-06-08T00:00:00.000Z	Moderate	23ppm low	35ppm moderate	17ppm low
2025-06-08T01:00:00.000Z	Low	17ppm low	26ppm low	13ppm low
2025-06-08T02:00:00.000Z	Moderate	22ppm low	32ppm moderate	16ppm low
2025-06-08T03:00:00.000Z	Moderate	17ppm low	31ppm moderate	12ppm low
2025-06-08T04:00:00.000Z	Low	13ppm low	25ppm low	13ppm low
2025-06-08T05:00:00.000Z	Low	15ppm low	28ppm low	15ppm low
2025-06-08T06:00:00.000Z	Low	14ppm low	25ppm low	10ppm low
2025-06-08T07:00:00.000Z	Low	17ppm low	25ppm low	13ppm low
2025-06-08T08:00:00.000Z	Moderate	20ppm low	31ppm moderate	15ppm low
2025-06-08T09:00:00.000Z	Low	20ppm low	29ppm low	15ppm low
2025-06-08T10:00:00.000Z	Low	12ppm low	22ppm low	9ppm low
2025-06-08T11:00:00.000Z	Moderate	17ppm low	31ppm moderate	17ppm low
2025-06-08T12:00:00.000Z	Low	11ppm low	21ppm low	11ppm low
2025-06-08T13:00:00.000Z	Low	10ppm low	18ppm low	7ppm low
2025-06-08T14:00:00.000Z	Low	17ppm low	26ppm low	13ppm low
2025-06-08T15:00:00.000Z	Moderate	20ppm low	30ppm moderate	15ppm low

Pollen Level

San Mateo

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

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Pollen sub-species concentrations in San Mateo, California

0ppm

Ash

1ppm

Birch

1ppm

Elm

0ppm

Maple

2ppm

Mulberry

2ppm

Oak

1ppm

Pine

12ppm

Ragweed

San Mateo, California allergy map: Track pollen near you

Grass

Allergy tips for San Mateo, California

As pollen risk levels are

Low

Feel free to spend more time outdoors in San Mateo, California as pollen levels are minimal today.
Open windows at home or work to enjoy fresh air without worrying about allergies in San Mateo, California.
Use this low-pollen period for lounging outdoor in your patios or gardens in San Mateo, California.
Take advantage of this time to engage in physical activities like jogging or cycling outdoors in San Mateo, California.
Plan social gatherings or outdoor picnics in San Mateo, California during this low-pollen period.

How accurate is California, USA pollen data?

Ambee’s pollen data for California, USA follows National Allergy Bureau (NAB) standards, offering accurate, real-time updates with clear allergy risk levels. Our approach, using machine learning and historical trends, ensures precise, hyper-local pollen forecasts to support allergy management.

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