What is the pollen count in Largo today?

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

What does a Moderate pollen count mean in Largo?

A Moderate pollen count means levels are noticeable. People with pollen sensitivities may experience mild symptoms like sneezing or itchy eyes, especially during extended time outdoors.

What are the main allergy triggers in Largo right now?

The primary allergy triggers in Largo today are Tree (Oak and Birch). 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 Moderate in Largo?

With Moderate pollen in Largo, basic precautions help: keep windows closed during peak hours, rinse off after outdoor time, and monitor your symptoms. Most activities can continue with awareness.

Does weather affect pollen levels in Largo?

Yes, weather directly affects pollen levels in Largo. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles. Higher humidity today (80%) may help keep some pollen grounded.

Largo, MD Pollen Count Today

Live pollen forecast and air quality for Largo, Maryland

Breathability™ Score

/10

Challenging day - reduce exposure during peak pollen times.

Today's Pollen Levels in Largo

Tree pollen is the dominant contributor today in Largo, with levels reaching Very High. Other pollen types are not a significant factor right now. With a Breathability™ Score of 2, today may feel like a tougher allergy day.

Breathability™ Score is 2/10
Tree pollen is Very High, led by Oak and Birch
Grass pollen is None, led by Grass
Weed pollen is None, led by Ragweed and Mugwort
Air quality is Good today

How Today's Pollen May Affect You

Mild allergy sufferers

You may feel symptoms sooner today. Tree pollen is elevated and air quality is Good, so lean toward shorter outings and cleaner indoor air.

Moderate allergy sufferers

Today may feel challenging. Limit prolonged outdoor time, keep indoor air filtered, and prioritize lower-exposure times of day.

Severe allergy sufferers

This may be a high-burden day. Minimize outdoor exposure where possible and focus on indoor spaces with filtered air.

5-Day Pollen Forecast

Today

Apr 15

Overall: Very High

Tree: Very High

Grass: None

Weed: None

Wind: 10 mph

Rain: 69% (may wash pollen out)

Humidity: 49%

Thu

Apr 16

Overall: Very High

Tree: Very High

Grass: None

Weed: None

Wind: 12 mph

Rain: 0%

Humidity: 44%

Fri

Apr 17

Overall: Very High

Tree: Very High

Grass: None

Weed: None

Wind: 8 mph

Rain: 0%

Humidity: 59%

Sat

Apr 18

Overall: Very High

Tree: Very High

Grass: None

Weed: None

Wind: 11 mph

Rain: 0%

Humidity: 61%

Sun

Apr 19

Overall: Very High

Tree: Very High

Grass: None

Weed: None

Wind: 15 mph (may spread pollen)

Rain: 70% (may wash pollen out)

Humidity: 68%

Tree Pollen in Largo Today

Tree pollen in Largo is Moderate today, reaching 67.66 grains/m³. Oak and Birch 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

Oak67.66 grains/m³

Birch44.42 grains/m³

Alder0 grains/m³

Hazel0 grains/m³

Grass Pollen in Largo Today

Grass pollen in Largo 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 Largo Today

Weed pollen in Largo 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 Largo Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

10 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)Moderate

121 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

4 µg/m³

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

Sulfur Dioxide (SO2)Good

3.3 µg/m³

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

Carbon Monoxide (CO)Good

153.8 µg/m³

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

Weather in Largo Today

☁️

Weather

64°F

Partly cloudy

Humidity

80%

Wind

5 mph SW

Feels Like

64°F

Pressure

1015 mb

Frequently Asked Questions

Allergy Guides and Resources

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

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