What is the pollen count in Alton today?

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

What does a High pollen count mean in Alton?

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 Alton right now?

The primary allergy triggers in Alton 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 High in Alton?

When pollen is High in Alton, 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 Alton?

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

Alton, IL Pollen Count Today

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

Live pollen forecast and air quality for Alton, Illinois

📍 Alton, ILToday · Jul 15

4/10

Breathability™ Score

Mixed conditions - sensitive groups may want extra precautions.

🌳Tree Pollen

None

🌱Grass Pollen

High

🌿Weed Pollen

None

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Today's Pollen Levels in Alton

Grass pollen is the dominant contributor today in Alton, with levels reaching High. Other pollen types are not a significant factor right now. With a Breathability™ Score of 4, conditions are mixed and may vary through the day.

Breathability™ Score is 4/10
Tree pollen is None, led by Alder and Birch
Grass pollen is High, led by Grass
Weed pollen is None, led by Ragweed and Mugwort
Air quality is Good today

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Yesterday's Pollen in Alton

→Tree pollen: None yesterday, None today

↓Grass pollen: Very High yesterday, High todayLower

→Weed pollen: None yesterday, None today

Pollen dropped from Very High to High 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 15

Overall: High

Tree: None

Grass: High

Weed: None

Wind: 6 mph

Rain: 3%

Humidity: 60%

Thu

Jul 16

Overall: Low

Tree: None

Grass: Low

Weed: None

Wind: 5 mph

Rain: 76% (may wash pollen out)

Humidity: 76%

Fri

Jul 17

Overall: Moderate

Tree: None

Grass: Moderate

Weed: None

Wind: 11 mph

Rain: 76% (may wash pollen out)

Humidity: 81%

Sat

Jul 18

Overall: High

Tree: None

Grass: High

Weed: None

Wind: 15 mph (may spread pollen)

Rain: 7%

Humidity: 73%

Sun

Jul 19

Overall: Moderate

Tree: None

Grass: Moderate

Weed: None

Wind: 8 mph

Rain: 69% (may wash pollen out)

Humidity: 79%

Tree Pollen in Alton Today

Tree pollen in Alton 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 Alton Today

Grass pollen in Alton is High today, reaching 100.30 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

Grass100.30 grains/m³

Weed Pollen in Alton Today

Weed pollen in Alton is None today. Weed pollen season runs from late summer into fall (August through October), with ragweed as the primary trigger for most allergy sufferers. Current levels are low enough that most people should feel comfortable outdoors.

Species Breakdown

Ragweed0 grains/m³

Mugwort0 grains/m³

Air Quality in Alton Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

6 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

7 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

137 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

1.3 µg/m³

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

Sulfur Dioxide (SO2)Good

3 µg/m³

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

Carbon Monoxide (CO)Good

143 µg/m³

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

See the full Alton air quality report →

Weather in Alton Today

☁️

Weather

86°F

Partly cloudy

Humidity

62%

Wind

5 mph NNE

Feels Like

90°F

Pressure

1020 mb

Frequently Asked Questions

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Allergy Guides and Resources

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