Massachusetts Pollen Count Today

Check today's pollen count by city in Massachusetts. Explore local allergy forecasts, monitor common seasonal allergens, and use city-level trends to plan around high pollen days.

Allergy Ava organizes statewide and local pollen information so you can compare conditions, anticipate seasonal flare-ups, and find relevant allergy forecast pages faster.

Today's pollen count in Massachusetts

Pollen levels in Massachusetts can vary by city, weather, vegetation, and season. Choose a local forecast below to see the current allergy index, main allergen, and 5-day outlook for cities including Boston, Worcester.

Today's statewide signal

Massachusetts pollen count by city: Boston coastal air and Worcester inland allergy shifts

Massachusetts allergy conditions can differ sharply between Boston’s coastal neighborhoods and Worcester’s more inland, higher-elevation setting. Compare Boston and Worcester for local pollen levels, dominant allergens, weather context, and short-term trend signals before commuting, running, gardening, or planning outdoor time.

Data updates regularly to reflect current conditions across Massachusetts cities.

Highest city index now

Boston

Elm · Very Low

View today's allergy index

Average pollen index: 1
Average humidity: 94%
Average wind: 3 mph

Live city comparison

Today's pollen and weather by city

Sort Massachusetts cities by pollen index, temperature, or trend. Select a city for its full local forecast.

		Main allergen			Weather context
Boston	1Very Low	Elm	Stable Tomorrow looks similar, near very low conditions.	69°F	Mostly cloudy Outdoor pollen exposure looks limited for most people today.
Worcester	1Very Low	Elm	Stable Tomorrow looks similar, near very low conditions.	67°F	Cloudy Outdoor pollen exposure looks limited for most people today.

Boston

Elm is the main allergen

Very Low

Pollen index

Trend

Stable

69°3 mph93%

Outdoor pollen exposure looks limited for most people today.

Worcester

Elm is the main allergen

Very Low

Pollen index

Trend

Stable

67°2 mph95%

Outdoor pollen exposure looks limited for most people today.

Regional allergy forecast

How Massachusetts regions compare today

Boston, harbor neighborhoods, and eastern Massachusetts

Boston allergy exposure is shaped by coastal wind shifts, harbor humidity, street trees, parks, urban heat, and spring tree pollen that may feel different near the water than it does farther inland.

OakBirchMapleGrass

Index: 1
Humidity: 93%
Wind: 3

Worcester and central Massachusetts uplands

Worcester’s inland hills, wooded neighborhoods, cooler nights, parks, and leaf litter can produce a different allergy rhythm, with strong spring trees and fall ragweed or mold after damp weather.

MapleBirchOakRagweed

Index: 1
Humidity: 95%
Wind: 2

State-specific pollen calendar

When major allergens are active in Massachusetts

Trees

April to May

AprMay

Maple, birch, oak, ash, elm, beech, and other wind-pollinated trees are common spring drivers. Warm spells can start activity in late March, while cooler coastal air can delay or unevenly spread the season.

Grasses

May to July

MayJunJul

Grass pollen builds across lawns, parks, school fields, roadsides, and open spaces as late-spring warmth arrives. Dry, breezy days can make grass exposure stronger across both Boston and Worcester.

Weeds

August to October

AugSepOct

Ragweed is the main late-summer and fall trigger, especially near roadsides, rail corridors, vacant lots, and disturbed ground. Counts often stay relevant until colder nights and frost become consistent.

Low pollen and indoor season

November to February

NovDecJanFeb

Outdoor pollen usually drops after hard freezes, but indoor dust, pet dander, damp basements, coastal moisture, and leaf-litter mold can still bother sensitive residents.

Weather-pollen correlation

What weather means for today's allergy risk

Wind can disperse pollen, rain can temporarily wash particles down, and humidity can increase mold irritation. The city table combines pollen and weather signals so users can compare outdoor risk without opening every city page.

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Preparing today's Massachusetts pollen dashboard

Westford, MA 01886

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(978) 619-5447

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About Pollen in Massachusetts

Massachusetts allergy sufferers can use this page to monitor pollen trends and find relevant city forecasts when available. Pollen levels vary by season, with tree pollen often peaking in spring, grass pollen becoming more active in late spring and summer, and weed pollen, especially ragweed, remaining a concern in late summer and fall.

Use Allergy Ava's city-level forecasts to plan outdoor activities, manage medication timing, and stay informed about the allergens most prevalent in your area. Our data is updated regularly to give you the most accurate picture of current conditions.

Nearby state pollen forecasts

Comparing nearby states can help you understand regional allergy shifts, seasonal pollen timing, and conditions that may affect travel or outdoor plans.

New York pollen forecast Connecticut pollen forecast Rhode Island pollen forecast New Hampshire pollen forecast

Massachusetts pollen forecast from Boston to inland communities

Massachusetts pollen conditions can vary between Boston, nearby suburbs, and more inland parts of the state because of coastal weather, tree cover, and seasonal temperature shifts. Searchers looking for a Massachusetts pollen forecast often want better local context than a single statewide average can provide.

Tree pollen is often a major spring trigger in Massachusetts, followed by grass pollen and later weed pollen. Rainfall, sea breezes, and neighborhood vegetation can all influence how allergens move through the air, making city-specific pollen tracking more practical for daily allergy planning.

Frequently asked questions about Massachusetts pollen forecasts

Why can Boston and Worcester have different pollen conditions?

Boston is more coastal, with harbor breezes, urban heat, and humidity shifts. Worcester is farther inland and higher in elevation, with more wooded upland influence. Those differences can change pollen timing, intensity, and the day’s leading allergen.

What trees are most likely to bother Massachusetts allergy sufferers in spring?

Maple, birch, oak, ash, elm, beech, and related wind-pollinated trees are common spring triggers. Birch and oak can be especially noticeable during the April and May peak.

Does ocean air make Boston pollen lower?

Sometimes, but not reliably. A cool sea breeze may dilute or redirect pollen near the harbor, while other wind patterns can move pollen into the city or keep humidity high enough for mold-sensitive people to notice symptoms.

When does ragweed matter in Massachusetts?

Ragweed usually becomes more important in August and can continue into October. It is most noticeable around disturbed soil, roadsides, rail lines, vacant lots, and dry open areas before repeated frosts slow the season.