What is the pollen count in Boston today?

Today's pollen levels in Boston: Tree pollen is High, Grass pollen is None, Weed pollen is None. Tree pollen is the dominant type right now, driven by Birch and Oak.

What does a High pollen count mean in Boston?

A High pollen count means concentrations are significant. Most allergy sufferers will notice symptoms, and even people with mild sensitivity may feel some irritation.

What are the main allergy triggers in Boston right now?

The primary allergy triggers in Boston today are Tree (Birch and Oak). These pollen types are at elevated levels and are most likely to cause symptoms for sensitive individuals.

What should allergy sufferers do when pollen is High in Boston?

When pollen is High in Boston, limit outdoor time during midday when concentrations peak. Keep windows closed, shower after being outside, and consider taking antihistamines before symptoms start.

Does weather affect pollen levels in Boston?

Yes, weather directly affects pollen levels in Boston. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles.

Boston, MA Pollen Count Today

Name: Pollen Data for Boston
Creator: MyPollenPal
Keywords: pollen, air quality, allergies, forecast

Live pollen forecast and air quality for Boston, Massachusetts

📍 Boston, MAToday · May 9

4/10

Breathability™ Score

Mixed conditions - sensitive groups may want extra precautions.

🌳Tree Pollen

High

🌱Grass Pollen

None

🌿Weed Pollen

None

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Today's Pollen Levels in Boston

Tree pollen is the dominant contributor today in Boston, with levels reaching High. Other pollen types are not a significant factor right now. With a Breathability™ Score of 4, conditions are mixed and may vary through the day.

Breathability™ Score is 4/10
Tree pollen is High, led by Birch and Oak
Grass pollen is None, led by Grass
Weed pollen is None, led by Ragweed and Mugwort
Air quality is Good today

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Yesterday's Pollen in Boston

→Tree pollen: High yesterday, High today

→Grass pollen: None yesterday, None today

→Weed pollen: None yesterday, None today

How Today's Pollen May Affect You

Mild allergy sufferers

You may notice mild irritation at peak times. Tree pollen is elevated; consider shorter midday exposure and keep water handy.

Moderate allergy sufferers

Plan around peak pollen windows. Try errands early or later, and consider a mask in high-traffic outdoor areas.

Severe allergy sufferers

Use high-protection habits today: shorter trips, cleaner indoor air, and reduced exposure during peak pollen hours.

5-Day Pollen Forecast

Today

May 8

Overall: High

Tree: High

Grass: None

Weed: None

Wind: 14 mph

Rain: 0%

Humidity: 43%

Sat

May 9

Overall: Moderate

Tree: Moderate

Grass: None

Weed: None

Wind: 11 mph

Rain: 90% (may wash pollen out)

Humidity: 81%

Sun

May 10

Overall: Moderate

Tree: Moderate

Grass: None

Weed: None

Wind: 8 mph

Rain: 87% (may wash pollen out)

Humidity: 83%

Mon

May 11

Overall: Moderate

Tree: Moderate

Grass: None

Weed: None

Wind: 7 mph

Rain: 78% (may wash pollen out)

Humidity: 75%

Tue

May 12

Overall: Moderate

Tree: Moderate

Grass: None

Weed: None

Wind: 8 mph

Rain: 0%

Humidity: 55%

Tree Pollen in Boston Today

Tree pollen in Boston is High today, reaching 138.65 grains/m³. Birch and Oak are the dominant contributors. At this level, most people with tree pollen allergies will experience symptoms, and even mildly sensitive individuals may notice eye irritation or sneezing.

Common Symptoms

Sneezing
Runny or stuffy nose
Itchy, watery eyes
Scratchy throat
Sinus pressure

Species Breakdown

Birch138.65 grains/m³

Oak132.61 grains/m³

Alder0 grains/m³

Hazel0 grains/m³

Grass Pollen in Boston Today

Grass pollen in Boston is None today. Grass pollen season typically peaks from late spring through summer (May through August in most regions). On low-count days, grass allergy sufferers can generally spend time outdoors without significant symptoms.

Species Breakdown

Grass0 grains/m³

Weed Pollen in Boston Today

Weed pollen in Boston is None today. Weed pollen season runs from late summer into fall (August through October), with ragweed as the primary trigger for most allergy sufferers. Current levels are low enough that most people should feel comfortable outdoors.

Species Breakdown

Ragweed0 grains/m³

Mugwort0 grains/m³

Air Quality in Boston Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

11 µg/m³

Tiny particles smaller than 2.5 micrometers that can reach deep into your lungs and bloodstream. High levels can affect breathing and heart health.

PM10Good

11 µg/m³

Larger particles up to 10 micrometers, like dust or pollen. They can irritate your airways and worsen allergies or asthma.

Ozone (O3)Good

49 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

26.4 µg/m³

A respiratory irritant from vehicle exhaust that can trigger inflammation in sensitive airways.

Sulfur Dioxide (SO2)Good

3.6 µg/m³

Even brief exposure can tighten airways, especially for people with asthma.

Carbon Monoxide (CO)Good

193.8 µg/m³

High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.

Weather in Boston Today

☀️

Weather

56°F

Clear

Humidity

37%

Wind

8 mph WSW

Feels Like

54°F

Pressure

1010 mb

Frequently Asked Questions

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