What is the pollen count in Las Vegas today?

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

What will the pollen count be tomorrow in Las Vegas?

Pollen in Las Vegas is forecast to reach Moderate 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 High pollen count mean in Las Vegas?

A High pollen count means concentrations are significant. Most allergy sufferers will notice symptoms, and even people with mild sensitivity may feel some irritation.

What are the main allergy triggers in Las Vegas right now?

The primary allergy triggers in Las Vegas 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 High in Las Vegas?

When pollen is High in Las Vegas, 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 Las Vegas?

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

Las Vegas, NV Pollen Count Today

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

Live pollen forecast and air quality for Las Vegas, Nevada

📍 Las Vegas, NVToday · Oct 14

6/10

Breathability™ Score

Good day overall with a few allergy-aware adjustments.

🌳Tree Pollen

None

🌱Grass Pollen

Low

🌿Weed Pollen

High

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Today's Pollen Levels in Las Vegas

Weed pollen is the dominant contributor today in Las Vegas, with levels reaching High. Other pollen types are not a significant factor right now. With a Breathability™ Score of 6, conditions are mixed and may vary through the day.

Breathability™ Score is 6/10
Tree pollen is None, led by Alder and Birch
Grass pollen is Low, led by Grass
Weed pollen is High, led by Ragweed and Mugwort
Air quality is Good today

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Yesterday's Pollen in Las Vegas

→Tree pollen: None yesterday, None today

→Grass pollen: Low yesterday, Low today

→Weed pollen: Moderate yesterday, Moderate 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 Las Vegas holds at Moderate every day through Sunday.

Today

Oct 14

Overall: Moderate

Tree: None

Grass: Low

Weed: Moderate

Wind: 14 mph

Rain: 1%

Humidity: 33%

Thu

Oct 15

Overall: Moderate

Tree: None

Grass: Low

Weed: Moderate

Wind: 21 mph (may spread pollen)

Rain: 1%

Humidity: 26%

Fri

Oct 16

Overall: Moderate

Tree: None

Grass: Low

Weed: Moderate

Wind: 11 mph

Rain: 0%

Humidity: 27%

Sat

Oct 17

Overall: Moderate

Tree: None

Grass: Low

Weed: Moderate

Wind: 5 mph

Rain: 3%

Humidity: 25%

Sun

Oct 18

Overall: Moderate

Tree: None

Grass: None

Weed: Moderate

Wind: 4 mph

Rain: 0%

Humidity: 28%

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

Tree Pollen in Las Vegas Today

Tree pollen in Las Vegas 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 Las Vegas Today

Grass pollen in Las Vegas is Low today, reaching 0.29 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 Las Vegas →0.29 grains/m³

Weed Pollen in Las Vegas Today

Weed pollen in Las Vegas is High today, reaching 97.77 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

Ragweed97.77 grains/m³

Mugwort0 grains/m³

Air Quality in Las Vegas Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

4 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

5 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

94 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

0 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

126 µg/m³

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

See the full Las Vegas air quality report →

Weather in Las Vegas Today

🌤️

Weather

73°F

Sunny

Humidity

20%

Wind

9 mph N

Feels Like

64°F

Pressure

1016 mb

Frequently Asked Questions

When pollen keeps winning, see an allergist

Weed pollen is running High in Las Vegas today. 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 Nevada →

Get free daily pollen alerts

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

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Allergy Guides and Resources

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

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Las Vegas pollen by allergen

Grass pollen Juniper pollen Mulberry pollen Olive pollen