What is the pollen count in Detroit today?

Today's pollen levels in Detroit: Tree pollen is None, Grass pollen is None, 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 Detroit?

Pollen in Detroit is forecast to reach Low 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 Detroit?

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 Detroit right now?

The primary allergy triggers in Detroit 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 Detroit?

When pollen is High in Detroit, 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 Detroit?

Yes, weather directly affects pollen levels in Detroit. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles. Higher humidity today (89%) may help keep some pollen grounded.

Detroit, MI Pollen Count Today

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

Live pollen forecast and air quality for Detroit, Michigan

📍 Detroit, MIToday · Sep 19

6/10

Breathability™ Score

Good day overall with a few allergy-aware adjustments.

🌳Tree Pollen

None

🌱Grass Pollen

None

🌿Weed Pollen

High

mypollenpal.comAdd to your site →

Today's Pollen Levels in Detroit

Weed pollen is the dominant contributor today in Detroit, 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 None, led by Grass
Weed pollen is High, led by Ragweed and Mugwort
Air quality is Good today

Today’s pick

5Strands Allergy Test Kit →

Find out exactly which allergens are triggering your symptoms so you can treat the root cause.

As an Amazon Associate, we earn from qualifying purchases.

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 Detroit peaks Monday at High, driven by weed pollen.

Today

Sep 19

Overall: Moderate

Tree: None

Grass: None

Weed: Moderate

Wind: 9 mph

Rain: 70% (may wash pollen out)

Humidity: 76%

Sun

Sep 20

Overall: Low

Tree: None

Grass: None

Weed: Low

Wind: 11 mph

Rain: 93% (may wash pollen out)

Humidity: 94%

Mon

Sep 21

Overall: High

Tree: None

Grass: None

Weed: High

Wind: 15 mph (may spread pollen)

Rain: 14%

Humidity: 67%

Tue

Sep 22

Overall: High

Tree: None

Grass: None

Weed: High

Wind: 15 mph (may spread pollen)

Rain: 40%

Humidity: 71%

Wed

Sep 23

Overall: Moderate

Tree: None

Grass: None

Weed: Moderate

Wind: 14 mph

Rain: 81% (may wash pollen out)

Humidity: 80%

Rain is likely Sunday (93% chance). The hour or two right after it stops is usually the cleanest air of the day. Plan around Monday though. Pollen often climbs the day after rain, when plants use the moisture to release a fresh burst.

Tree Pollen in Detroit Today

Tree pollen in Detroit 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 Detroit Today

Grass pollen in Detroit 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 Detroit Today

Weed pollen in Detroit is High today, reaching 115.38 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

Ragweed115.38 grains/m³

Mugwort35.55 grains/m³

Air Quality in Detroit Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

7 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)Good

64 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

13.4 µg/m³

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

Sulfur Dioxide (SO2)Good

2.1 µg/m³

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

Carbon Monoxide (CO)Good

173 µg/m³

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

See the full Detroit air quality report →

Weather in Detroit Today

🌧️

Weather

62°F

Patchy rain nearby

Humidity

89%

Wind

5 mph ENE

Feels Like

62°F

Pressure

1016 mb

Frequently Asked Questions

When pollen keeps winning, see an allergist

Weed pollen is running High in Detroit 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 Michigan →

Get free daily pollen alerts

Morning alerts for Detroit 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 Michigan

Looking for more places? Browse popular cities or return to the Michigan page.