What is the pollen count in Sterling today?

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

What does a Moderate pollen count mean in Sterling?

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 Sterling right now?

The primary allergy triggers in Sterling 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 Moderate in Sterling?

With Moderate pollen in Sterling, 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 Sterling?

Yes, weather directly affects pollen levels in Sterling. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles. Higher humidity today (74%) may help keep some pollen grounded.

Sterling, MA Pollen Count Today

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

Live pollen forecast and air quality for Sterling, Massachusetts

📍 Sterling, MAToday · Jul 15

2/10

Breathability™ Score

Challenging day - reduce exposure during peak pollen times.

🌳Tree Pollen

None

🌱Grass Pollen

Moderate

🌿Weed Pollen

Moderate

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Today's Pollen Levels in Sterling

Grass pollen and Weed pollen are both elevated today in Sterling, which is driving the Breathability™ Score down. People sensitive to multiple pollen types may notice stronger symptoms. With a Breathability™ Score of 2, today may feel like a tougher allergy day.

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

Yesterday's Pollen in Sterling

→Tree pollen: None yesterday, None today

↑Grass pollen: Moderate yesterday, Very High todayHigher

↑Weed pollen: Moderate yesterday, High todayHigher

Pollen rose from Moderate to Very 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 feel symptoms sooner today. Grass pollen is elevated and air quality is Good, so lean toward shorter outings and cleaner indoor air.

Moderate allergy sufferers

Today may be rough. Limit prolonged outdoor time, keep indoor air filtered, and favor 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

Jul 15

Overall: Very High

Tree: None

Grass: Very High

Weed: High

Wind: 14 mph

Rain: 3%

Humidity: 57%

Thu

Jul 16

Overall: Very High

Tree: None

Grass: Very High

Weed: Moderate

Wind: 14 mph

Rain: 17%

Humidity: 44%

Fri

Jul 17

Overall: High

Tree: None

Grass: High

Weed: Moderate

Wind: 8 mph

Rain: 2%

Humidity: 50%

Sat

Jul 18

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Moderate

Wind: 9 mph

Rain: 65% (may wash pollen out)

Humidity: 77%

Sun

Jul 19

Overall: High

Tree: None

Grass: High

Weed: Moderate

Wind: 5 mph

Rain: 29%

Humidity: 82%

Tree Pollen in Sterling Today

Tree pollen in Sterling 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 Sterling Today

Grass pollen in Sterling is Moderate today, reaching 88.97 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

Grass88.97 grains/m³

Weed Pollen in Sterling Today

Weed pollen in Sterling is Moderate today, reaching 49.16 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

Mugwort49.16 grains/m³

Ragweed0 grains/m³

Air Quality in Sterling Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

7 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

7 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

108 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

3.1 µg/m³

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

Sulfur Dioxide (SO2)Good

1.3 µg/m³

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

Carbon Monoxide (CO)Good

137 µg/m³

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

See the full Sterling air quality report →

Weather in Sterling Today

☀️

Weather

75°F

Clear

Humidity

74%

Wind

12 mph W

Feels Like

61°F

Pressure

1007 mb

Frequently Asked Questions

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