What is the pollen count in Keystone today?

Today's pollen levels in Keystone: Tree pollen is None, Grass pollen is None, Weed pollen is None. Tree pollen is the dominant type right now, driven by Alder and Birch.

What are the main allergy triggers in Keystone right now?

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

What should allergy sufferers do when pollen is None in Keystone?

Pollen levels are low in Keystone 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 Keystone?

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

Keystone, IA Pollen Count Today

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

Live pollen forecast and air quality for Keystone, Iowa

📍 Keystone, IAToday · Aug 24

10/10

Breathability™ Score

Excellent breathing conditions for most plans today.

🌳Tree Pollen

None

🌱Grass Pollen

None

🌿Weed Pollen

None

mypollenpal.comAdd to your site →

How Today's Pollen May Affect You

Mild allergy sufferers

Most plans can stay the same today. Pollen is generally low 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

Today

Aug 24

Overall: None

Tree: None

Grass: None

Weed: None

Wind: 8 mph

Rain: 10%

Humidity: 68%

Tue

Aug 25

Overall: None

Tree: None

Grass: None

Weed: None

Wind: 11 mph

Rain: 13%

Humidity: 73%

Wed

Aug 26

Overall: None

Tree: None

Grass: None

Weed: None

Wind: 11 mph

Rain: 65% (may wash pollen out)

Humidity: 74%

Thu

Aug 27

Overall: None

Tree: None

Grass: None

Weed: None

Wind: 11 mph

Rain: 4%

Humidity: 61%

Fri

Aug 28

Overall: None

Tree: None

Grass: None

Weed: None

Wind: 16 mph (may spread pollen)

Rain: 8%

Humidity: 59%

Tree Pollen in Keystone Today

Tree pollen in Keystone 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 Keystone Today

Grass pollen in Keystone 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 Keystone Today

Weed pollen in Keystone 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 Keystone Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

11 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

11 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

18 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

33.9 µg/m³

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

Sulfur Dioxide (SO2)Good

0.8 µg/m³

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

Carbon Monoxide (CO)Good

182 µg/m³

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

See the full Keystone air quality report →

Weather in Keystone Today

🌤️

Weather

62°F

Overcast

Humidity

61%

Wind

6 mph SW

Feels Like

59°F

Pressure

1017 mb

Frequently Asked Questions

When pollen keeps winning, see an allergist

Pollen shifts week to week in Keystone. 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 Iowa →

Get free daily pollen alerts

Morning alerts for Keystone 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.

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