Westborough, MA Pollen Count Today

Live pollen forecast and air quality for Westborough, Massachusetts

Breathability™ Score
4
/10
Mixed conditions - sensitive groups may want extra precautions.

Today's Pollen Levels in Westborough

Tree pollen is the dominant contributor today in Westborough, with levels reaching High. Other pollen types are not a significant factor right now. With a Breathability™ Score of 4, conditions are mixed and may vary through the day.

Yesterday's Pollen in Westborough

Tree pollen: Very High yesterday, High todayLower
Grass pollen: None yesterday, None today
Weed pollen: None yesterday, None today

Pollen dropped from Very High to High for tree pollen since yesterday.

Conditions are a bit better today. Symptoms may feel less intense than 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
Apr 15
Overall: High
Tree: High
Grass: None
Weed: None
Wind: 7 mph
Rain: 77% (may wash pollen out)
Humidity: 77%
Thu
Apr 16
Overall: Moderate
Tree: Moderate
Grass: None
Weed: None
Wind: 11 mph
Rain: 88% (may wash pollen out)
Humidity: 78%
Fri
Apr 17
Overall: Moderate
Tree: Moderate
Grass: None
Weed: None
Wind: 9 mph
Rain: 82% (may wash pollen out)
Humidity: 81%
Sat
Apr 18
Overall: Very High
Tree: Very High
Grass: None
Weed: None
Wind: 10 mph
Rain: 0%
Humidity: 84%
Sun
Apr 19
Overall: Very High
Tree: Very High
Grass: None
Weed: None
Wind: 12 mph
Rain: 85% (may wash pollen out)
Humidity: 86%

Tree Pollen in Westborough Today

Tree pollen in Westborough is Moderate today, reaching 47.91 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

Oak47.91 grains/m³
Birch36.27 grains/m³
Alder0 grains/m³
Hazel0 grains/m³

Grass Pollen in Westborough Today

Grass pollen in Westborough 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 Westborough Today

Weed pollen in Westborough 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 Westborough Today

🌬️
Air Quality
Good
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
8 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
97 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
2 µg/m³
Even brief exposure can tighten airways, especially for people with asthma.
Carbon Monoxide (CO)Good
202.8 µg/m³
High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.

Weather in Westborough Today

🌤️
Weather
56°F
Sunny
Humidity
93%
Wind
3 mph WSW
Feels Like
56°F
Pressure
1012 mb

Frequently Asked Questions

Allergy Guides and Resources

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