What is the pollen count in Cos Cob today?

Today's pollen levels in Cos Cob: Tree pollen is None, Grass pollen is High, Weed pollen is None. Grass pollen is the dominant type right now, driven by Grass.

What does a High pollen count mean in Cos Cob?

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 Cos Cob right now?

The primary allergy triggers in Cos Cob today are Grass (Grass). 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 Cos Cob?

When pollen is High in Cos Cob, 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 Cos Cob?

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

Cos Cob, CT Pollen Count Today

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

Live pollen forecast and air quality for Cos Cob, Connecticut

📍 Cos Cob, CTToday · May 31

6/10

Breathability™ Score

Good day overall with a few allergy-aware adjustments.

🌳Tree Pollen

None

🌱Grass Pollen

High

🌿Weed Pollen

None

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Today's Pollen Levels in Cos Cob

Grass pollen is the dominant contributor today in Cos Cob, 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 High, 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 Cos Cob

→Tree pollen: None yesterday, None today

→Grass pollen: Moderate yesterday, Moderate 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. Grass 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 31

Overall: Moderate

Tree: None

Grass: Moderate

Weed: None

Wind: 8 mph

Rain: 0%

Humidity: 54%

Mon

Jun 1

Overall: High

Tree: None

Grass: High

Weed: None

Wind: 15 mph (may spread pollen)

Rain: 0%

Humidity: 58%

Tue

Jun 2

Overall: High

Tree: None

Grass: High

Weed: None

Wind: 11 mph

Rain: 0%

Humidity: 57%

Wed

Jun 3

Overall: High

Tree: None

Grass: High

Weed: None

Wind: 10 mph

Rain: 0%

Humidity: 54%

Thu

Jun 4

Overall: High

Tree: None

Grass: High

Weed: None

Wind: 15 mph (may spread pollen)

Rain: 0%

Humidity: 54%

Tree Pollen in Cos Cob Today

Tree pollen in Cos Cob 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 Cos Cob Today

Grass pollen in Cos Cob is High today, reaching 90.26 grains/m³. Grass is currently elevated. People with grass pollen sensitivity may notice nasal congestion and itchy eyes, especially during outdoor activities.

Common Symptoms

Itchy nose and eyes
Sneezing fits
Nasal congestion
Watery eyes
Coughing or wheezing for sensitive individuals

Species Breakdown

Grass90.26 grains/m³

Weed Pollen in Cos Cob Today

Weed pollen in Cos Cob 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 Cos Cob 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

5 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

98 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

1.4 µg/m³

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

Carbon Monoxide (CO)Good

112.8 µg/m³

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

Weather in Cos Cob Today

🌤️

Weather

72°F

Sunny

Humidity

35%

Wind

5 mph NNW

Feels Like

73°F

Pressure

1016 mb

Frequently Asked Questions

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