What is the pollen count in Sisters today?

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

What does a Very High pollen count mean in Sisters?

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 Sisters right now?

The primary allergy triggers in Sisters 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 individuals.

What should allergy sufferers do when pollen is Very High in Sisters?

When pollen is Very High in Sisters, 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 Sisters?

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

Sisters, OR Pollen Count Today

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

Live pollen forecast and air quality for Sisters, Oregon

📍 Sisters, ORToday · Jun 24

2/10

Breathability™ Score

Challenging day - reduce exposure during peak pollen times.

🌳Tree Pollen

None

🌱Grass Pollen

Very High

🌿Weed Pollen

Moderate

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Today's Pollen Levels in Sisters

Grass pollen and Weed pollen are both elevated today in Sisters, 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 Moderate, led by Mugwort and Ragweed
Air quality is Good today

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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 feel challenging. Limit prolonged outdoor time, keep indoor air filtered, and prioritize 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

Jun 23

Overall: Very High

Tree: None

Grass: Very High

Weed: Moderate

Wind: 9 mph

Rain: 0%

Humidity: 29%

Wed

Jun 24

Overall: Very High

Tree: None

Grass: Very High

Weed: Moderate

Wind: 14 mph

Rain: 1%

Humidity: 34%

Thu

Jun 25

Overall: Very High

Tree: None

Grass: Very High

Weed: Moderate

Wind: 14 mph

Rain: 4%

Humidity: 42%

Fri

Jun 26

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Low

Wind: 10 mph

Rain: 72% (may wash pollen out)

Humidity: 77%

Sat

Jun 27

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Low

Wind: 13 mph

Rain: 58% (may wash pollen out)

Humidity: 75%

Tree Pollen in Sisters Today

Tree pollen in Sisters 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 Sisters Today

Grass pollen in Sisters is Very High today, reaching 318.78 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

Grass318.78 grains/m³

Weed Pollen in Sisters Today

Weed pollen in Sisters is Moderate today, reaching 43.56 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

Mugwort43.56 grains/m³

Ragweed0 grains/m³

Air Quality in Sisters 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

3 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

84 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

3.7 µg/m³

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

Sulfur Dioxide (SO2)Good

0.2 µg/m³

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

Carbon Monoxide (CO)Good

120 µg/m³

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

Weather in Sisters Today

☀️

Weather

76°F

Clear

Humidity

20%

Wind

5 mph W

Feels Like

78°F

Pressure

1018 mb

Frequently Asked Questions

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