What is the pollen count in Eureka today?

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

What does a High pollen count mean in Eureka?

A High pollen count means concentrations are significant. Most allergy sufferers will notice symptoms, and even people with mild sensitivity may feel some irritation.

What are the main allergy triggers in Eureka right now?

The primary allergy triggers in Eureka today are Tree (Birch and Oak) and Grass (Grass). These pollen types are at elevated levels and are most likely to cause symptoms for sensitive individuals.

What should allergy sufferers do when pollen is High in Eureka?

When pollen is High in Eureka, limit outdoor time during midday when concentrations peak. Keep windows closed, shower after being outside, and consider taking antihistamines before symptoms start.

Does weather affect pollen levels in Eureka?

Yes, weather directly affects pollen levels in Eureka. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles.

Eureka, MT Pollen Count Today

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

Live pollen forecast and air quality for Eureka, Montana

📍 Eureka, MTToday · May 30

4/10

Breathability™ Score

Mixed conditions - sensitive groups may want extra precautions.

🌳Tree Pollen

High

🌱Grass Pollen

Moderate

🌿Weed Pollen

None

mypollenpal.comAdd to your site →

Today's Pollen Levels in Eureka

Tree pollen and Grass pollen are both elevated today in Eureka, which is driving the Breathability™ Score down. People sensitive to multiple pollen types may notice stronger symptoms. With a Breathability™ Score of 4, conditions are mixed and may vary through the day.

Breathability™ Score is 4/10
Tree pollen is High, led by Birch and Oak
Grass pollen is Moderate, led by Grass
Weed pollen is None, led by Ragweed and Mugwort
Air quality is Moderate today

Today’s pick

Zyrtec 24-Hour Antihistamine →

A once-daily antihistamine is the first line of defense on high tree pollen days.

As an Amazon Associate, we earn from qualifying purchases.

Yesterday's Pollen in Eureka

→Tree pollen: Moderate yesterday, Moderate today

→Grass pollen: Moderate yesterday, Moderate today

→Weed pollen: None yesterday, None today

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 30

Overall: Moderate

Tree: Moderate

Grass: Moderate

Weed: None

Wind: 5 mph

Rain: 87% (may wash pollen out)

Humidity: 58%

Sun

May 31

Overall: Moderate

Tree: Moderate

Grass: Low

Weed: None

Wind: 3 mph

Rain: 92% (may wash pollen out)

Humidity: 96%

Mon

Jun 1

Overall: Low

Tree: Low

Grass: Low

Weed: None

Wind: 6 mph

Rain: 89% (may wash pollen out)

Humidity: 90%

Tue

Jun 2

Overall: Moderate

Tree: Moderate

Grass: Moderate

Weed: None

Wind: 3 mph

Rain: 87% (may wash pollen out)

Humidity: 86%

Wed

Jun 3

Overall: Moderate

Tree: Moderate

Grass: Moderate

Weed: None

Wind: 3 mph

Rain: 86% (may wash pollen out)

Humidity: 66%

Tree Pollen in Eureka Today

Tree pollen in Eureka is High today, reaching 111.16 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

Birch111.16 grains/m³

Oak78.14 grains/m³

Alder0 grains/m³

Hazel0 grains/m³

Grass Pollen in Eureka Today

Grass pollen in Eureka is Moderate today, reaching 57.18 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 individuals

Species Breakdown

Grass57.18 grains/m³

Weed Pollen in Eureka Today

Weed pollen in Eureka 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 Eureka Today

🌬️

Air Quality

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

19 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

88 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

3.3 µg/m³

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

Sulfur Dioxide (SO2)Good

1.1 µg/m³

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

Carbon Monoxide (CO)Good

177.9 µg/m³

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

Weather in Eureka Today

☁️

Weather

71°F

Partly Cloudy

Humidity

36%

Wind

3 mph NW

Feels Like

71°F

Pressure

1012 mb

Frequently Asked Questions

Get free daily pollen alerts

Morning alerts for Eureka when pollen is high. One email a day, only when it matters.

Join 1,417 allergy sufferers getting daily pollen alerts.

Allergy Guides and Resources

Seasonal pollen guides, daily city rankings, and practical tips for managing your allergies.

Browse all guides →

Related Cities in Montana

Looking for more places? Browse popular cities or return to the Montana page.