What is the pollen count in Lewiston today?

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

What does a Low pollen count mean in Lewiston?

A Low pollen count means concentrations are minimal. Most people, including those with mild allergies, can spend time outdoors comfortably.

What are the main allergy triggers in Lewiston right now?

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

What should allergy sufferers do when pollen is Low in Lewiston?

Pollen levels are low in Lewiston 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 Lewiston?

Yes, weather directly affects pollen levels in Lewiston. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles. Higher humidity today (100%) may help keep some pollen grounded.

Lewiston, ME Pollen Count Today

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

Live pollen forecast and air quality for Lewiston, Maine

📍 Lewiston, METoday · May 15

6/10

Breathability™ Score

Good day overall with a few allergy-aware adjustments.

🌳Tree Pollen

Low

🌱Grass Pollen

None

🌿Weed Pollen

None

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Today's Pollen Levels in Lewiston

Tree pollen is slightly elevated at Low levels in Lewiston. Overall conditions are manageable for most people. With a Breathability™ Score of 6, conditions are mixed and may vary through the day.

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

Yesterday's Pollen in Lewiston

↑Tree pollen: Low yesterday, Moderate todayHigher

→Grass pollen: None yesterday, None today

→Weed pollen: None yesterday, None today

Pollen rose from Low to Moderate for tree 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. Tree 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 15

Overall: Moderate

Tree: Moderate

Grass: None

Weed: None

Wind: 9 mph

Rain: 87% (may wash pollen out)

Humidity: 94%

Sat

May 16

Overall: Moderate

Tree: Moderate

Grass: None

Weed: None

Wind: 10 mph

Rain: 0%

Humidity: 70%

Sun

May 17

Overall: Moderate

Tree: Moderate

Grass: None

Weed: None

Wind: 11 mph

Rain: 0%

Humidity: 66%

Mon

May 18

Overall: Moderate

Tree: Moderate

Grass: None

Weed: None

Wind: 11 mph

Rain: 0%

Humidity: 60%

Tue

May 19

Overall: Moderate

Tree: Moderate

Grass: Low

Weed: None

Wind: 13 mph

Rain: 0%

Humidity: 69%

Tree Pollen in Lewiston Today

Tree pollen in Lewiston is Low today, reaching 16.50 grains/m³. Birch and Oak 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

Birch16.50 grains/m³

Oak12.98 grains/m³

Alder0 grains/m³

Hazel0 grains/m³

Grass Pollen in Lewiston Today

Grass pollen in Lewiston 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 Lewiston Today

Weed pollen in Lewiston 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 Lewiston Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

4 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

74 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

3.4 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

140.8 µg/m³

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

Weather in Lewiston Today

🌧️

Weather

53°F

Light rain

Humidity

100%

Wind

7 mph NE

Feels Like

51°F

Pressure

1012 mb

Frequently Asked Questions

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