What is the pollen count in Eureka today?

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

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 Grass (Grass). 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 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. Higher humidity today (70%) may help keep some pollen grounded.

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 · Jul 15

2/10

Breathability™ Score

Challenging day - reduce exposure during peak pollen times.

🌳Tree Pollen

None

🌱Grass Pollen

High

🌿Weed Pollen

Low

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Today's Pollen Levels in Eureka

Grass pollen is the dominant contributor today in Eureka, with levels reaching High. Other pollen types are not a significant factor right now. 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 High, led by Grass
Weed pollen is Low, led by Mugwort and Ragweed
Air quality is Good today

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Yesterday's Pollen in Eureka

→Tree pollen: None yesterday, None today

↑Grass pollen: Moderate yesterday, Very High todayHigher

→Weed pollen: Low yesterday, Low today

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: Low

Wind: 7 mph

Rain: 2%

Humidity: 49%

Thu

Jul 16

Overall: High

Tree: None

Grass: High

Weed: Low

Wind: 11 mph

Rain: 36%

Humidity: 52%

Fri

Jul 17

Overall: Very High

Tree: None

Grass: Very High

Weed: Low

Wind: 9 mph

Rain: 17%

Humidity: 49%

Sat

Jul 18

Overall: Very High

Tree: None

Grass: Very High

Weed: Low

Wind: 13 mph

Rain: 3%

Humidity: 39%

Sun

Jul 19

Overall: Very High

Tree: None

Grass: Very High

Weed: Low

Wind: 4 mph

Rain: 0%

Humidity: 28%

Tree Pollen in Eureka Today

Tree pollen in Eureka 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 Eureka Today

Grass pollen in Eureka is High today, reaching 134.21 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

Grass134.21 grains/m³

Weed Pollen in Eureka Today

Weed pollen in Eureka is Low today, reaching 1.30 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

Mugwort1.30 grains/m³

Ragweed0 grains/m³

Air Quality in Eureka Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

4 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

4 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

45 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

11.7 µg/m³

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

Sulfur Dioxide (SO2)Good

0.3 µg/m³

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

Carbon Monoxide (CO)Good

116 µg/m³

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

See the full Eureka air quality report →

Weather in Eureka Today

☀️

Weather

60°F

Clear

Humidity

70%

Wind

3 mph SE

Feels Like

51°F

Pressure

1021 mb

Frequently Asked Questions

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