What is the pollen count in Houston today?

Today's pollen levels in Houston: Tree pollen is None, Grass pollen is Low, Weed pollen is Moderate. Weed pollen is the dominant type right now, driven by Ragweed and Mugwort.

What does a Moderate pollen count mean in Houston?

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 Houston right now?

The primary allergy triggers in Houston today are 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 Houston?

With Moderate pollen in Houston, 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 Houston?

Yes, weather directly affects pollen levels in Houston. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles. Higher humidity today (94%) may help keep some pollen grounded.

Houston, TX Pollen Count Today

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

Live pollen forecast and air quality for Houston, Texas

📍 Houston, TXToday · Aug 29

2/10

Breathability™ Score

Challenging day - reduce exposure during peak pollen times.

🌳Tree Pollen

None

🌱Grass Pollen

Low

🌿Weed Pollen

Moderate

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Today's Pollen Levels in Houston

Weed pollen is slightly elevated at Moderate levels in Houston. Overall conditions are manageable for most people. 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 Low, led by Grass
Weed pollen is Moderate, led by Ragweed and Mugwort
Air quality is Moderate today

How Today's Pollen May Affect You

Mild allergy sufferers

You may feel symptoms sooner today. Weed pollen is elevated and air quality is Moderate, 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 29

Overall: High

Tree: None

Grass: Moderate

Weed: High

Wind: 13 mph

Rain: 6%

Humidity: 66%

Sun

Aug 30

Overall: High

Tree: None

Grass: Low

Weed: High

Wind: 14 mph

Rain: 3%

Humidity: 55%

Mon

Aug 31

Overall: Moderate

Tree: None

Grass: Low

Weed: Moderate

Wind: 13 mph

Rain: 57% (may wash pollen out)

Humidity: 59%

Tue

Sep 1

Overall: Moderate

Tree: None

Grass: Low

Weed: Moderate

Wind: 14 mph

Rain: 36%

Humidity: 60%

Wed

Sep 2

Overall: High

Tree: None

Grass: Low

Weed: High

Wind: 12 mph

Rain: 17%

Humidity: 61%

Tree Pollen in Houston Today

Tree pollen in Houston 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

Oak pollen in Houston →0 grains/m³

Grass Pollen in Houston Today

Grass pollen in Houston is Low today, reaching 6.79 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

Grass pollen in Houston →6.79 grains/m³

Weed Pollen in Houston Today

Weed pollen in Houston is Moderate today, reaching 54.34 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

Ragweed pollen in Houston →54.34 grains/m³

Mugwort26.39 grains/m³

Air Quality in Houston Today

🌬️

Air Quality

Moderate

Air Pollutant Breakdown

PM2.5Moderate

17 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

18 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

28 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

25.7 µg/m³

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

Sulfur Dioxide (SO2)Good

5.3 µg/m³

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

Carbon Monoxide (CO)Good

177 µg/m³

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

See the full Houston air quality report →

Weather in Houston Today

🌤️

Weather

75°F

Sunny

Humidity

94%

Wind

2 mph W

Feels Like

83°F

Pressure

1017 mb

Frequently Asked Questions

When pollen keeps winning, see an allergist

Pollen shifts week to week in Houston. 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 Texas →

Get free daily pollen alerts

Morning alerts for Houston 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.

Browse all guides →

Related Cities in Texas

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Houston pollen by allergen

Oak pollen Ragweed pollen Grass pollen Pine pollen