What is the pollen count in South Setauket today?

Today's pollen levels in South Setauket: Tree pollen is None, Grass pollen is None, Weed pollen is None. Tree pollen is the dominant type right now, driven by Alder and Birch.

What will the pollen count be tomorrow in South Setauket?

Pollen in South Setauket is forecast to reach None tomorrow. Tree pollen is the main driver. That's a full-day figure, so early morning usually runs higher than late afternoon. Check again in the morning, because wind and rain can shift it overnight.

What are the main allergy triggers in South Setauket right now?

Pollen levels across all types are currently low in South Setauket. Most allergy sufferers should find conditions manageable today.

What should allergy sufferers do when pollen is None in South Setauket?

Pollen levels are low in South Setauket today, so most outdoor activities should be comfortable. It is still a good idea to check levels daily, since conditions can change quickly with wind and weather shifts.

Does weather affect pollen levels in South Setauket?

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

South Setauket, NY Pollen Count Today

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

Live pollen forecast and air quality for South Setauket, New York

📍 South Setauket, NYToday · Oct 10

10/10

Breathability™ Score

Excellent breathing conditions for most plans today.

🌳Tree Pollen

None

🌱Grass Pollen

None

🌿Weed Pollen

None

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How Today's Pollen May Affect You

Mild allergy sufferers

Most plans can stay the same today. Pollen is generally low and air quality is Good, so a quick rinse after time outside may help.

Moderate allergy sufferers

Conditions look manageable with routine precautions. Keep windows closed during peak pollen periods and shower after outdoor time.

Severe allergy sufferers

Even on a better day, keep your usual high-protection routine and avoid long exposure when pollen spikes.

5-Day Pollen Forecast

Pollen in South Setauket holds at None every day through Wednesday.

Today

Oct 10

Overall: None

Tree: None

Grass: None

Weed: None

Wind: 10 mph

Rain: 13%

Humidity: 56%

Sun

Oct 11

Overall: None

Tree: None

Grass: None

Weed: None

Wind: 25 mph (may spread pollen)

Rain: 87% (may wash pollen out)

Humidity: 79%

Mon

Oct 12

Overall: None

Tree: None

Grass: None

Weed: None

Wind: 24 mph (may spread pollen)

Rain: 60% (may wash pollen out)

Humidity: 83%

Tue

Oct 13

Overall: None

Tree: None

Grass: None

Weed: None

Wind: 18 mph (may spread pollen)

Rain: 23%

Humidity: 79%

Wed

Oct 14

Overall: None

Tree: None

Grass: None

Weed: None

Wind: 22 mph (may spread pollen)

Rain: 17%

Humidity: 74%

Rain is likely Sunday (87% chance). The hour or two right after it stops is usually the cleanest air of the day. Plan around Monday though. Pollen often climbs the day after rain, when plants use the moisture to release a fresh burst.

Winds could reach 25 mph Sunday. Gusts carry pollen miles from the plant that released it, so a windy day can feel worse than the count suggests.

Tree Pollen in South Setauket Today

Tree pollen in South Setauket is None today. Tree pollen season typically runs from early spring through late May, peaking when deciduous trees release their pollen. On low days like today, outdoor activities are generally comfortable for most allergy sufferers.

Species Breakdown

Alder0 grains/m³

Birch0 grains/m³

Hazel0 grains/m³

Oak0 grains/m³

Grass Pollen in South Setauket Today

Grass pollen in South Setauket 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 South Setauket Today

Weed pollen in South Setauket 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 South Setauket Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

5 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

6 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

87 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

2.7 µg/m³

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

Sulfur Dioxide (SO2)Good

1.7 µg/m³

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

Carbon Monoxide (CO)Good

122 µg/m³

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

See the full South Setauket air quality report →

Weather in South Setauket Today

🌤️

Weather

64°F

Overcast

Humidity

47%

Wind

4 mph E

Feels Like

60°F

Pressure

1030 mb

Frequently Asked Questions

When pollen keeps winning, see an allergist

Pollen shifts week to week in South Setauket. If cetirizine (Zyrtec) or a steroid nasal spray stopped holding your symptoms down, or they drag on for months at a time, a board-certified allergist can test exactly what you react to and treat the cause instead of the symptom.

See 5 board-certified allergists in New York →

Get free daily pollen alerts

Morning alerts for South Setauket when pollen is high. One email a day, only when it matters.

Allergy Guides and Resources

Seasonal pollen guides, daily city rankings, and practical tips for managing your allergies.

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