Helena, MT Pollen Count Today

Live pollen forecast and air quality for Helena, Montana

Breathability™ Score
6
/10
Good day overall with a few allergy-aware adjustments.

Today's Pollen Levels in Helena

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

Yesterday's Pollen in Helena

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

Pollen dropped from High to Moderate 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: Moderate
Tree: Moderate
Grass: None
Weed: None
Wind: 15 mph (may spread pollen)
Rain: 85% (may wash pollen out)
Humidity: 53%
Thu
Apr 16
Overall: Moderate
Tree: Moderate
Grass: None
Weed: None
Wind: 9 mph
Rain: 0%
Humidity: 55%
Fri
Apr 17
Overall: Low
Tree: Low
Grass: None
Weed: None
Wind: 12 mph
Rain: 89% (may wash pollen out)
Humidity: 77%
Sat
Apr 18
Overall: Moderate
Tree: Moderate
Grass: None
Weed: None
Wind: 11 mph
Rain: 0%
Humidity: 50%
Sun
Apr 19
Overall: Moderate
Tree: Moderate
Grass: None
Weed: None
Wind: 11 mph
Rain: 0%
Humidity: 40%

Tree Pollen in Helena Today

Tree pollen in Helena is Moderate today, reaching 31.57 grains/m³. Alder 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

Alder31.57 grains/m³
Oak11.47 grains/m³
Birch0.28 grains/m³
Hazel0 grains/m³

Grass Pollen in Helena Today

Grass pollen in Helena 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 Helena Today

Weed pollen in Helena 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 Helena Today

🌬️
Air Quality
Good
Good

Air Pollutant Breakdown

PM2.5Good
1 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
1 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
90 µg/m³
Elevated levels irritate airways and can worsen asthma symptoms.
Nitrogen Dioxide (NO2)Good
2.5 µg/m³
A respiratory irritant from vehicle exhaust that can trigger inflammation in sensitive airways.
Sulfur Dioxide (SO2)Good
0.9 µg/m³
Even brief exposure can tighten airways, especially for people with asthma.
Carbon Monoxide (CO)Good
158.8 µg/m³
High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.

Weather in Helena Today

🌤️
Weather
52°F
Overcast
Humidity
52%
Wind
15 mph SW
Feels Like
47°F
Pressure
1002 mb

Frequently Asked Questions

Allergy Guides and Resources

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