What is the pollen count in Lancaster today?

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

What does a Very High pollen count mean in Lancaster?

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 Lancaster right now?

The primary allergy triggers in Lancaster today are Grass (Grass). 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 Very High in Lancaster?

When pollen is Very High in Lancaster, 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 Lancaster?

Yes, weather directly affects pollen levels in Lancaster. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles. Today's winds (19 mph) may be spreading pollen more than usual.

Lancaster, CA Pollen Count Today

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

Live pollen forecast and air quality for Lancaster, California

📍 Lancaster, CAToday · Jul 17

6/10

Breathability™ Score

Good day overall with a few allergy-aware adjustments.

🌳Tree Pollen

None

🌱Grass Pollen

Very High

🌿Weed Pollen

Low

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Today's Pollen Levels in Lancaster

Grass pollen is the dominant contributor today in Lancaster, with levels reaching Very 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 Very High, led by Grass
Weed pollen is Low, led by Mugwort and Ragweed
Air quality is Good today

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Yesterday's Pollen in Lancaster

→Tree pollen: None yesterday, None today

↓Grass pollen: High yesterday, Moderate todayLower

→Weed pollen: Low yesterday, Low today

Pollen dropped from High to Moderate for grass pollen since yesterday.

Conditions are a bit better today. Symptoms may feel less intense than yesterday.

How Today's Pollen May Affect You

Mild allergy sufferers

You may notice mild irritation at peak times. Grass 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

Today

Jul 16

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Low

Wind: 21 mph (may spread pollen)

Rain: 0%

Humidity: 24%

Fri

Jul 17

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Low

Wind: 18 mph (may spread pollen)

Rain: 1%

Humidity: 35%

Sat

Jul 18

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Low

Wind: 20 mph (may spread pollen)

Rain: 1%

Humidity: 39%

Sun

Jul 19

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Low

Wind: 24 mph (may spread pollen)

Rain: 1%

Humidity: 37%

Mon

Jul 20

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Low

Wind: 22 mph (may spread pollen)

Rain: 1%

Humidity: 33%

Tree Pollen in Lancaster Today

Tree pollen in Lancaster 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 Lancaster Today

Grass pollen in Lancaster is Very High today, reaching 161.74 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

Grass161.74 grains/m³

Weed Pollen in Lancaster Today

Weed pollen in Lancaster is Low today, reaching 9.87 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

Mugwort9.87 grains/m³

Ragweed0 grains/m³

Air Quality in Lancaster Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Moderate

14 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

41 µg/m³

Larger particles up to 10 micrometers, like dust or pollen. They can irritate your airways and worsen allergies or asthma.

Ozone (O3)Moderate

140 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

2.5 µg/m³

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

Sulfur Dioxide (SO2)Good

2.2 µg/m³

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

Carbon Monoxide (CO)Good

110 µg/m³

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

See the full Lancaster air quality report →

Weather in Lancaster Today

🌤️

Weather

96°F

Sunny

Humidity

18%

Wind

19 mph SW

Feels Like

96°F

Pressure

1010 mb

Frequently Asked Questions

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