What is the pollen count in Glendale Heights today?

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

What will the pollen count be tomorrow in Glendale Heights?

Pollen in Glendale Heights 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 Low pollen count mean in Glendale Heights?

A Low pollen count means concentrations are minimal. Most people, including those with mild allergies, can spend time outdoors comfortably.

What are the main allergy triggers in Glendale Heights right now?

Pollen levels across all types are currently low in Glendale Heights. Most allergy sufferers should find conditions manageable today.

What should allergy sufferers do when pollen is Low in Glendale Heights?

Pollen levels are low in Glendale Heights today, so most outdoor activities should be comfortable. It is still a good idea to check levels daily, since conditions can change quickly with wind and weather shifts.

Does weather affect pollen levels in Glendale Heights?

Yes, weather directly affects pollen levels in Glendale Heights. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles. Today's winds (18 mph) may be spreading pollen more than usual. Higher humidity today (90%) may help keep some pollen grounded.

Glendale Heights, IL Pollen Count Today

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

Live pollen forecast and air quality for Glendale Heights, Illinois

📍 Glendale Heights, ILToday · Oct 16

8/10

Breathability™ Score

Excellent breathing conditions for most plans today.

🌳Tree Pollen

None

🌱Grass Pollen

None

🌿Weed Pollen

Low

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Today's Pollen Levels in Glendale Heights

Weed pollen is slightly elevated at Low levels in Glendale Heights. Overall conditions are manageable for most people. With a Breathability™ Score of 8, breathing conditions look good for most people.

Breathability™ Score is 8/10
Tree pollen is None, led by Alder and Birch
Grass pollen is None, led by Grass
Weed pollen is Low, led by Ragweed and Mugwort
Air quality is Good today

How Today's Pollen May Affect You

Mild allergy sufferers

Most plans can stay the same today. Weed pollen is elevated and air quality is Good, so a quick rinse after time outside may help.

Moderate allergy sufferers

Conditions look manageable with routine precautions. Keep windows closed during peak pollen periods and shower after outdoor time.

Severe allergy sufferers

Even on a better day, keep your usual high-protection routine and avoid long exposure when pollen spikes.

5-Day Pollen Forecast

Pollen in Glendale Heights climbs to Moderate tomorrow and stays there through Monday.

Today

Oct 15

Overall: Low

Tree: None

Grass: None

Weed: Low

Wind: 18 mph (may spread pollen)

Rain: 89% (may wash pollen out)

Humidity: 85%

Fri

Oct 16

Overall: Moderate

Tree: None

Grass: None

Weed: Moderate

Wind: 22 mph (may spread pollen)

Rain: 42%

Humidity: 78%

Sat

Oct 17

Overall: Moderate

Tree: None

Grass: None

Weed: Moderate

Wind: 15 mph (may spread pollen)

Rain: 6%

Humidity: 69%

Sun

Oct 18

Overall: Moderate

Tree: None

Grass: None

Weed: Moderate

Wind: 15 mph (may spread pollen)

Rain: 3%

Humidity: 59%

Mon

Oct 19

Overall: Moderate

Tree: None

Grass: None

Weed: Moderate

Wind: 8 mph

Rain: 6%

Humidity: 58%

Winds could reach 22 mph Friday. Gusts carry pollen miles from the plant that released it, so a windy day can feel worse than the count suggests.

Tree Pollen in Glendale Heights Today

Tree pollen in Glendale Heights 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 Glendale Heights Today

Grass pollen in Glendale Heights is None today. Grass pollen season typically peaks from late spring through summer (May through August in most regions). On low-count days, grass allergy sufferers can generally spend time outdoors without significant symptoms.

Species Breakdown

Grass0 grains/m³

Weed Pollen in Glendale Heights Today

Weed pollen in Glendale Heights is Low today, reaching 5.19 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

Ragweed5.19 grains/m³

Mugwort0 grains/m³

Air Quality in Glendale Heights Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

3 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

3 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

20 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

27 µg/m³

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

Sulfur Dioxide (SO2)Good

1.8 µg/m³

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

Carbon Monoxide (CO)Good

162 µg/m³

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

See the full Glendale Heights air quality report →

Weather in Glendale Heights Today

🌧️

Weather

58°F

Patchy rain nearby

Humidity

90%

Wind

18 mph W

Feels Like

50°F

Pressure

1009 mb

Frequently Asked Questions

When pollen keeps winning, see an allergist

Pollen shifts week to week in Glendale Heights. 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 Illinois →

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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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