What is the pollen count in Princeton today?

Today's pollen levels in Princeton: Tree pollen is None, Grass pollen is None, Weed pollen is High. Weed pollen is the dominant type right now, driven by Ragweed and Mugwort.

What will the pollen count be tomorrow in Princeton?

Pollen in Princeton is forecast to reach Moderate tomorrow. Weed 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 does a High pollen count mean in Princeton?

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 Princeton right now?

The primary allergy triggers in Princeton today are Weed (Ragweed and Mugwort). These pollen types are at elevated levels and are most likely to cause symptoms for sensitive people.

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

When pollen is High in Princeton, 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 Princeton?

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

Princeton, FL Pollen Count Today

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

Live pollen forecast and air quality for Princeton, Florida

📍 Princeton, FLToday · Oct 15

6/10

Breathability™ Score

Good day overall with a few allergy-aware adjustments.

🌳Tree Pollen

None

🌱Grass Pollen

None

🌿Weed Pollen

High

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Today's Pollen Levels in Princeton

Weed pollen is the dominant contributor today in Princeton, with levels reaching High. Other pollen types are not a significant factor right now. With a Breathability™ Score of 6, conditions are mixed and may vary through the day.

Breathability™ Score is 6/10
Tree pollen is None, led by Alder and Birch
Grass pollen is None, led by Grass
Weed pollen is High, led by Ragweed and Mugwort
Air quality is Good today

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Yesterday's Pollen in Princeton

→Tree pollen: None yesterday, None today

→Grass pollen: None yesterday, None today

↑Weed pollen: Low yesterday, Moderate todayHigher

Pollen rose from Low to Moderate for weed pollen since yesterday.

You may notice stronger symptoms today compared to yesterday.

How Today's Pollen May Affect You

Mild allergy sufferers

You may notice mild irritation at peak times. Weed 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

Pollen in Princeton eases to Low by Saturday.

Today

Oct 15

Overall: Moderate

Tree: None

Grass: None

Weed: Moderate

Wind: 13 mph

Rain: 17%

Humidity: 74%

Fri

Oct 16

Overall: Moderate

Tree: None

Grass: None

Weed: Moderate

Wind: 11 mph

Rain: 64% (may wash pollen out)

Humidity: 75%

Sat

Oct 17

Overall: Low

Tree: None

Grass: None

Weed: Low

Wind: 15 mph (may spread pollen)

Rain: 82% (may wash pollen out)

Humidity: 79%

Sun

Oct 18

Overall: Low

Tree: None

Grass: None

Weed: Low

Wind: 24 mph (may spread pollen)

Rain: 86% (may wash pollen out)

Humidity: 81%

Mon

Oct 19

Overall: Moderate

Tree: None

Grass: None

Weed: Moderate

Wind: 23 mph (may spread pollen)

Rain: 48%

Humidity: 65%

Rain is likely Friday (64% chance). The hour or two right after it stops is usually the cleanest air of the day. Plan around Saturday though. Pollen often climbs the day after rain, when plants use the moisture to release a fresh burst.

Winds could reach 24 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 Princeton Today

Tree pollen in Princeton 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 Princeton Today

Grass pollen in Princeton 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 Princeton Today

Weed pollen in Princeton is High today, reaching 149.28 grains/m³. Ragweed and Mugwort are the primary driver. Ragweed is the most common allergen in this category, and elevated levels can trigger persistent symptoms even in people who are only mildly sensitive.

Common Symptoms

Persistent sneezing
Runny nose
Itchy eyes and throat
Nasal congestion
Fatigue from prolonged exposure

Species Breakdown

Ragweed149.28 grains/m³

Mugwort0 grains/m³

Air Quality in Princeton Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

3 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

4 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

58 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

1.3 µg/m³

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

Sulfur Dioxide (SO2)Good

0.5 µg/m³

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

Carbon Monoxide (CO)Good

103 µg/m³

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

See the full Princeton air quality report →

Weather in Princeton Today

🌤️

Weather

87°F

Sunny

Humidity

61%

Wind

12 mph E

Feels Like

93°F

Pressure

1015 mb

Frequently Asked Questions

When pollen keeps winning, see an allergist

Weed pollen is running High in Princeton today. 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 Florida →

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Allergy Guides and Resources

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

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