What is the pollen count in Eureka today?

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

What does a Very High pollen count mean in Eureka?

A Very High pollen count means concentrations are at their peak. Nearly all allergy sufferers will experience noticeable symptoms, and limiting outdoor exposure is recommended.

What are the main allergy triggers in Eureka right now?

The primary allergy triggers in Eureka today are Grass (Grass) and Weed (Mugwort and Ragweed). 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 Very High in Eureka?

When pollen is Very 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, SD Pollen Count Today

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

Live pollen forecast and air quality for Eureka, South Dakota

📍 Eureka, SDToday · Aug 7

2/10

Breathability™ Score

Challenging day - reduce exposure during peak pollen times.

🌳Tree Pollen

None

🌱Grass Pollen

Very High

🌿Weed Pollen

High

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Today's Pollen Levels in Eureka

Grass pollen and Weed 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 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 Very High, led by Grass
Weed pollen is High, 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: Very High yesterday, Very High today

→Weed pollen: Moderate yesterday, Moderate today

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

Aug 7

Overall: Very High

Tree: None

Grass: Very High

Weed: Moderate

Wind: 17 mph (may spread pollen)

Rain: 2%

Humidity: 54%

Sat

Aug 8

Overall: Very High

Tree: None

Grass: Very High

Weed: High

Wind: 16 mph (may spread pollen)

Rain: 1%

Humidity: 37%

Sun

Aug 9

Overall: High

Tree: None

Grass: High

Weed: Moderate

Wind: 18 mph (may spread pollen)

Rain: 36%

Humidity: 45%

Mon

Aug 10

Overall: High

Tree: None

Grass: High

Weed: Moderate

Wind: 12 mph

Rain: 36%

Humidity: 32%

Tue

Aug 11

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Moderate

Wind: 11 mph

Rain: 57% (may wash pollen out)

Humidity: 55%

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 Very High today, reaching 260.31 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

Grass260.31 grains/m³

Weed Pollen in Eureka Today

Weed pollen in Eureka is High today, reaching 146.25 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

Mugwort146.25 grains/m³

Ragweed4.61 grains/m³

Air Quality in Eureka Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

2 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

2 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

73 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

0.5 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

102 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

79°F

Sunny

Humidity

36%

Wind

13 mph NW

Feels Like

71°F

Pressure

1015 mb

Frequently Asked Questions

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