What is the pollen count in Rexburg today?

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

What will the pollen count be tomorrow in Rexburg?

Pollen in Rexburg is forecast to reach High tomorrow. Weed pollen is the main driver. That's a full-day figure, so early morning usually runs higher than late afternoon. Check again in the morning, because wind and rain can shift it overnight.

What does a Moderate pollen count mean in Rexburg?

A Moderate pollen count means levels are noticeable. People with pollen sensitivities may experience mild symptoms like sneezing or itchy eyes, especially during extended time outdoors.

What are the main allergy triggers in Rexburg right now?

The primary allergy triggers in Rexburg today are Grass (Grass) and Weed (Ragweed and Mugwort). 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 Moderate in Rexburg?

With Moderate pollen in Rexburg, basic precautions help: keep windows closed during peak hours, rinse off after outdoor time, and monitor your symptoms. Most activities can continue with awareness.

Does weather affect pollen levels in Rexburg?

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

Rexburg, ID Pollen Count Today

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

Live pollen forecast and air quality for Rexburg, Idaho

📍 Rexburg, IDToday · Sep 22

4/10

Breathability™ Score

Mixed conditions - sensitive groups may want extra precautions.

🌳Tree Pollen

None

🌱Grass Pollen

Moderate

🌿Weed Pollen

Moderate

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Today's Pollen Levels in Rexburg

Grass pollen and Weed pollen are both elevated today in Rexburg, 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 None, led by Alder and Birch
Grass pollen is Moderate, led by Grass
Weed pollen is Moderate, led by Ragweed and Mugwort
Air quality is Good today

How Today's Pollen May Affect You

Mild allergy sufferers

You may notice mild irritation at peak times. Weed 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

Pollen in Rexburg peaks Thursday at Very High, driven by weed pollen.

Today

Sep 22

Overall: High

Tree: None

Grass: Moderate

Weed: High

Wind: 13 mph

Rain: 36%

Humidity: 51%

Wed

Sep 23

Overall: High

Tree: None

Grass: Moderate

Weed: High

Wind: 8 mph

Rain: 36%

Humidity: 59%

Thu

Sep 24

Overall: Very High

Tree: None

Grass: Moderate

Weed: Very High

Wind: 8 mph

Rain: 1%

Humidity: 37%

Fri

Sep 25

Overall: Very High

Tree: None

Grass: Moderate

Weed: Very High

Wind: 21 mph (may spread pollen)

Rain: 3%

Humidity: 29%

Sat

Sep 26

Overall: Very High

Tree: None

Grass: Moderate

Weed: Very High

Wind: 19 mph (may spread pollen)

Rain: 2%

Humidity: 33%

Winds could reach 21 mph Friday. Gusts carry pollen miles from the plant that released it, so a windy day can feel worse than the count suggests.

Tree Pollen in Rexburg Today

Tree pollen in Rexburg 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 Rexburg Today

Grass pollen in Rexburg is Moderate today, reaching 25.02 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

Grass25.02 grains/m³

Weed Pollen in Rexburg Today

Weed pollen in Rexburg is Moderate today, reaching 66.80 grains/m³. Ragweed and Mugwort 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

Ragweed66.80 grains/m³

Mugwort3.29 grains/m³

Air Quality in Rexburg Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

3 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

35 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

10.2 µg/m³

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

Sulfur Dioxide (SO2)Good

0.1 µg/m³

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

Carbon Monoxide (CO)Good

140 µg/m³

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

See the full Rexburg air quality report →

Weather in Rexburg Today

🌤️

Weather

52°F

Overcast

Humidity

57%

Wind

3 mph E

Feels Like

50°F

Pressure

1014 mb

Frequently Asked Questions

When pollen keeps winning, see an allergist

Pollen shifts week to week in Rexburg. If cetirizine (Zyrtec) or a steroid nasal spray stopped holding your symptoms down, or they drag on for months at a time, a board-certified allergist can test exactly what you react to and treat the cause instead of the symptom.

See 5 board-certified allergists in Idaho →

Get free daily pollen alerts

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

Allergy Guides and Resources

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

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