Mendon, MA Pollen Count Today

Live pollen forecast and air quality for Mendon, Massachusetts

📍 Mendon, MAToday · Jul 15
1/10
Breathability™ Score
Very tough breathing conditions - keep outdoor exposure brief when possible.
🌳Tree Pollen
None
🌱Grass Pollen
High
🌿Weed Pollen
Moderate
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Today's Pollen Levels in Mendon

Grass pollen and Weed pollen are both elevated today in Mendon, which is driving the Breathability™ Score down. People sensitive to multiple pollen types may notice stronger symptoms. With a Breathability™ Score of 1, today may feel like a tougher allergy day.

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How Today's Pollen May Affect You

Mild allergy sufferers
You may feel symptoms sooner today. Grass pollen is elevated and air quality is Moderate, 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 14
Overall: Very High
Tree: None
Grass: Very High
Weed: High
Wind: 14 mph
Rain: 4%
Humidity: 62%
Wed
Jul 15
Overall: Very High
Tree: None
Grass: Very High
Weed: High
Wind: 14 mph
Rain: 3%
Humidity: 58%
Thu
Jul 16
Overall: Very High
Tree: None
Grass: Very High
Weed: High
Wind: 13 mph
Rain: 2%
Humidity: 43%
Fri
Jul 17
Overall: High
Tree: None
Grass: High
Weed: Moderate
Wind: 9 mph
Rain: 2%
Humidity: 50%
Sat
Jul 18
Overall: Moderate
Tree: None
Grass: Moderate
Weed: Moderate
Wind: 10 mph
Rain: 67% (may wash pollen out)
Humidity: 78%

Tree Pollen in Mendon Today

Tree pollen in Mendon 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 Mendon Today

Grass pollen in Mendon is High today, reaching 141.51 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

Grass141.51 grains/m³

Weed Pollen in Mendon Today

Weed pollen in Mendon is Moderate today, reaching 75.17 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

Mugwort75.17 grains/m³
Ragweed0 grains/m³

Air Quality in Mendon Today

🌬️
Air Quality
Moderate
Moderate

Air Pollutant Breakdown

PM2.5Moderate
17 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
18 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
5.2 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
141 µg/m³
High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.
See the full Mendon air quality report →

Weather in Mendon Today

☀️
Weather
75°F
Clear
Humidity
84%
Wind
8 mph WSW
Feels Like
79°F
Pressure
1010 mb

Frequently Asked Questions

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