What is the pollen count in Renton today?

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

What does a Moderate pollen count mean in Renton?

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 Renton right now?

The primary allergy triggers in Renton 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 Moderate in Renton?

With Moderate pollen in Renton, 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 Renton?

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

Renton, WA Pollen Count Today

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

Live pollen forecast and air quality for Renton, Washington

📍 Renton, WAToday · Jul 15

2/10

Breathability™ Score

Challenging day - reduce exposure during peak pollen times.

🌳Tree Pollen

None

🌱Grass Pollen

Moderate

🌿Weed Pollen

Moderate

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Today's Pollen Levels in Renton

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

Yesterday's Pollen in Renton

→Tree pollen: None yesterday, None today

↑Grass pollen: Moderate yesterday, Very High todayHigher

→Weed pollen: Moderate yesterday, Moderate 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: Moderate

Wind: 10 mph

Rain: 1%

Humidity: 48%

Thu

Jul 16

Overall: High

Tree: None

Grass: High

Weed: Moderate

Wind: 9 mph

Rain: 17%

Humidity: 49%

Fri

Jul 17

Overall: High

Tree: None

Grass: High

Weed: Moderate

Wind: 11 mph

Rain: 17%

Humidity: 59%

Sat

Jul 18

Overall: High

Tree: None

Grass: High

Weed: Moderate

Wind: 9 mph

Rain: 8%

Humidity: 62%

Sun

Jul 19

Overall: High

Tree: None

Grass: High

Weed: Moderate

Wind: 9 mph

Rain: 3%

Humidity: 57%

Tree Pollen in Renton Today

Tree pollen in Renton 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 Renton Today

Grass pollen in Renton is Moderate today, reaching 61.83 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

Grass61.83 grains/m³

Weed Pollen in Renton Today

Weed pollen in Renton is Moderate today, reaching 35.83 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

Mugwort35.83 grains/m³

Ragweed0 grains/m³

Air Quality in Renton Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Moderate

13 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

15 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

39 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

19.8 µg/m³

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

Sulfur Dioxide (SO2)Good

1.5 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 Renton air quality report →

Weather in Renton Today

🌤️

Weather

64°F

Sunny

Humidity

68%

Wind

4 mph N

Feels Like

64°F

Pressure

1020 mb

Frequently Asked Questions

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