What is the pollen count in Bethesda today?

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

What does a Very High pollen count mean in Bethesda?

A Very High pollen count means concentrations are at their peak. Nearly all allergy sufferers will experience noticeable symptoms, and limiting outdoor exposure is recommended.

What are the main allergy triggers in Bethesda right now?

The primary allergy triggers in Bethesda today are Grass (Grass) and Weed (Mugwort and Ragweed). 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 Very High in Bethesda?

When pollen is Very High in Bethesda, 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 Bethesda?

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

Bethesda, MD Pollen Count Today

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

Live pollen forecast and air quality for Bethesda, Maryland

📍 Bethesda, MDToday · Jul 14

4/10

Breathability™ Score

Mixed conditions - sensitive groups may want extra precautions.

🌳Tree Pollen

None

🌱Grass Pollen

Very High

🌿Weed Pollen

Moderate

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Today's Pollen Levels in Bethesda

Grass pollen and Weed pollen are both elevated today in Bethesda, which is driving the Breathability™ Score down. People sensitive to multiple pollen types may notice stronger symptoms. With a Breathability™ Score of 4, conditions are mixed and may vary through the day.

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

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Yesterday's Pollen in Bethesda

→Tree pollen: None yesterday, None today

↑Grass pollen: Low yesterday, High todayHigher

↑Weed pollen: Low yesterday, Moderate todayHigher

Pollen rose from Low to High for grass 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. 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

Jul 14

Overall: High

Tree: None

Grass: High

Weed: Moderate

Wind: 5 mph

Rain: 2%

Humidity: 55%

Wed

Jul 15

Overall: Very High

Tree: None

Grass: Very High

Weed: Moderate

Wind: 9 mph

Rain: 2%

Humidity: 50%

Thu

Jul 16

Overall: High

Tree: None

Grass: High

Weed: Moderate

Wind: 6 mph

Rain: 17%

Humidity: 52%

Fri

Jul 17

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Moderate

Wind: 6 mph

Rain: 57% (may wash pollen out)

Humidity: 50%

Sat

Jul 18

Overall: Low

Tree: None

Grass: Low

Weed: Low

Wind: 6 mph

Rain: 85% (may wash pollen out)

Humidity: 87%

Tree Pollen in Bethesda Today

Tree pollen in Bethesda 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 Bethesda Today

Grass pollen in Bethesda is Very High today, reaching 152.25 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 people

Species Breakdown

Grass152.25 grains/m³

Weed Pollen in Bethesda Today

Weed pollen in Bethesda is Moderate today, reaching 83.96 grains/m³. Mugwort and Ragweed 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

Mugwort83.96 grains/m³

Ragweed0 grains/m³

Air Quality in Bethesda Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

12 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

16 µg/m³

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

Ozone (O3)Moderate

135 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

2 µg/m³

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

Sulfur Dioxide (SO2)Good

1.5 µg/m³

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

Carbon Monoxide (CO)Good

177 µg/m³

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

See the full Bethesda air quality report →

Weather in Bethesda Today

☁️

Weather

84°F

Partly cloudy

Humidity

63%

Wind

5 mph WSW

Feels Like

84°F

Pressure

1021 mb

Frequently Asked Questions

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