Iowa City, IA Pollen Count Today

Live pollen forecast and air quality for Iowa City, Iowa

šŸ“ Iowa City, IAToday Ā· Sep 19
10/10
Breathabilityā„¢ Score
Excellent breathing conditions for most plans today.
🌳Tree Pollen
None
🌱Grass Pollen
None
🌿Weed Pollen
None

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

Pollen in Iowa City holds at None every day through Wednesday.

Today
Sep 19
Overall: None
Tree: None
Grass: None
Weed: None
Wind: 15 mph (may spread pollen)
Rain: 93% (may wash pollen out)
Humidity: 94%
Sun
Sep 20
Overall: None
Tree: None
Grass: None
Weed: None
Wind: 18 mph (may spread pollen)
Rain: 93% (may wash pollen out)
Humidity: 94%
Mon
Sep 21
Overall: None
Tree: None
Grass: None
Weed: None
Wind: 13 mph
Rain: 43%
Humidity: 81%
Tue
Sep 22
Overall: None
Tree: None
Grass: None
Weed: None
Wind: 12 mph
Rain: 91% (may wash pollen out)
Humidity: 88%
Wed
Sep 23
Overall: None
Tree: None
Grass: None
Weed: None
Wind: 12 mph
Rain: 18%
Humidity: 76%

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 Iowa City Today

Tree pollen in Iowa City 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 Iowa City Today

Grass pollen in Iowa City 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 Iowa City Today

Weed pollen in Iowa City 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 Iowa City Today

šŸŒ¬ļø
Air Quality
Good
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
6 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
58 µg/m³
Elevated levels irritate airways and can worsen asthma symptoms.
Nitrogen Dioxide (NO2)Good
6.9 µg/m³
A respiratory irritant from vehicle exhaust that can trigger inflammation in sensitive airways.
Sulfur Dioxide (SO2)Good
1.5 µg/m³
Even brief exposure can tighten airways, especially for people with asthma.
Carbon Monoxide (CO)Good
151 µg/m³
High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.

Weather in Iowa City Today

šŸŒ§ļø
Weather
64°F
Light rain shower
Humidity
96%
Wind
14 mph E
Feels Like
60°F
Pressure
1015 mb

Frequently Asked Questions

When pollen keeps winning, see an allergist

Pollen shifts week to week in Iowa City. 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 →

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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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