
Dr. Abhilash Vaishnav
Aurora Allergy
Check today's pollen count by city in Wisconsin. Explore local allergy forecasts, monitor common seasonal allergens, and use city-level trends to plan around high pollen days.
Allergy Ava organizes statewide and local pollen information so you can compare conditions, anticipate seasonal flare-ups, and find relevant allergy forecast pages faster.
Pollen levels in Wisconsin can vary by city, weather, vegetation, and season. Choose a local forecast below to see the current allergy index, main allergen, and 5-day outlook for cities including Milwaukee, Madison, Green Bay, Kenosha, Racine, Appleton.
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Local allergy care
Use today's pollen forecast alongside nearby allergy and immunology profiles when symptoms need clinical follow-up, testing, or long-term treatment planning.

Aurora Allergy

Mayo Clinic Health System

Junction Rd Medical Center Allergy

Children's Wisconsin

Aurora Allergy

Prevea Health - Allouez Allergy
Showing 6 of 47 published allergist profiles in this area.
Wisconsin allergy sufferers can use this page to monitor pollen trends and find relevant city forecasts when available. Pollen levels vary by season, with tree pollen often peaking in spring, grass pollen becoming more active in late spring and summer, and weed pollen, especially ragweed, remaining a concern in late summer and fall.
Use Allergy Ava's city-level forecasts to plan outdoor activities, manage medication timing, and stay informed about the allergens most prevalent in your area. Our data is updated regularly to give you the most accurate picture of current conditions.
Comparing nearby states can help you understand regional allergy shifts, seasonal pollen timing, and conditions that may affect travel or outdoor plans.
Wisconsin pollen conditions can vary between Milwaukee, inland communities, and greener suburban areas because of differing tree cover, lake influence, and weather patterns. Searchers looking for a Wisconsin pollen forecast are often trying to understand how local pollen exposure changes across the region.
Tree pollen often leads the spring allergy season in Wisconsin, followed by grasses and then seasonal weeds. Day-to-day wind and rain can significantly affect airborne allergens, so city-level pollen pages can help people plan around symptom flare-ups more effectively.
Lake Michigan, Lake Winnebago, inland lake effects, and local wind direction can all change daily exposure. Milwaukee, Kenosha, and Racine may feel shoreline humidity or lake breezes, while Madison and Green Bay often reflect more inland vegetation and open-land pollen.
Wisconsin tree pollen is usually most important from April into early June. Maple, oak, birch, elm, ash, and cottonwood can overlap, with timing shifting by spring warmth, rainfall, and lake-cooled weather.
Both can matter. Ragweed is usually the main airborne fall pollen, especially in August and September, while damp leaves, shaded yards, and wet basements can make mold more noticeable as the season cools.
Rain can briefly wash pollen out of the air, but relief may be temporary. If humid weather follows, mold can rise; if dry wind follows, fresh pollen, dust, and plant debris can become airborne again.
Today's statewide signal
Wisconsin allergy conditions vary between the Lake Michigan shoreline, Madison’s lake-and-prairie setting, the Fox Valley and Green Bay corridor, and western Wisconsin river valleys. Compare Milwaukee, Madison, Green Bay, Kenosha, Racine, Appleton, Eau Claire, Waukesha, and Oshkosh for local pollen levels, dominant allergens, weather context, and short-term trend signals.
Data updates regularly to reflect current conditions across Wisconsin cities.
Highest city index now
Madison
Ragweed · Moderate
3
Live city comparison
Sort Wisconsin cities by pollen index, temperature, or trend. Select a city for its full local forecast.
| Main allergen | Weather context | ||||
|---|---|---|---|---|---|
| Madison | 3Moderate | Ragweed | Stable Tomorrow looks similar, near moderate conditions. | 65°F | Clear with periodic clouds Humid air may keep ragweed and outdoor mold irritation active. |
| Green Bay | 3Moderate | Ragweed | Rising Forecast moves toward high conditions tomorrow. | 66°F | Partly cloudy Humid air may keep ragweed and outdoor mold irritation active. |
| Oshkosh | 3Moderate | Ragweed | Rising Forecast moves toward high conditions tomorrow. | 68°F | Partly cloudy Humid air may keep ragweed and outdoor mold irritation active. |
| Milwaukee | 2Low | Ragweed | Stable Tomorrow looks similar, near low conditions. | 65°F | Clear with periodic clouds Watch ragweed levels and limit long outdoor exposure during peak hours. |
| Kenosha | 2Low | Ragweed | Stable Tomorrow looks similar, near low conditions. | 67°F | Clear with periodic clouds Watch ragweed levels and limit long outdoor exposure during peak hours. |
| Racine | 2Low | Ragweed | Stable Tomorrow looks similar, near low conditions. | 67°F | Clear Watch ragweed levels and limit long outdoor exposure during peak hours. |
| Appleton | 2Low | Elm | Falling Forecast eases toward very low conditions tomorrow. | 66°F | Partly cloudy Watch elm levels and limit long outdoor exposure during peak hours. |
| Eau Claire | 2Low | Elm | Falling Forecast eases toward none conditions tomorrow. | 65°F | Light rain Watch elm levels and limit long outdoor exposure during peak hours. |
| Waukesha | 2Low | Elm | Stable Tomorrow looks similar, near low conditions. | 63°F | Clear with periodic clouds Watch elm levels and limit long outdoor exposure during peak hours. |
Ragweed is the main allergen
Pollen index
3
Trend
Stable
Humid air may keep ragweed and outdoor mold irritation active.
Ragweed is the main allergen
Pollen index
3
Trend
Rising
Humid air may keep ragweed and outdoor mold irritation active.
Ragweed is the main allergen
Pollen index
3
Trend
Rising
Humid air may keep ragweed and outdoor mold irritation active.
Ragweed is the main allergen
Pollen index
2
Trend
Stable
Watch ragweed levels and limit long outdoor exposure during peak hours.
Ragweed is the main allergen
Pollen index
2
Trend
Stable
Watch ragweed levels and limit long outdoor exposure during peak hours.
Ragweed is the main allergen
Pollen index
2
Trend
Stable
Watch ragweed levels and limit long outdoor exposure during peak hours.
Elm is the main allergen
Pollen index
2
Trend
Falling
Watch elm levels and limit long outdoor exposure during peak hours.
Elm is the main allergen
Pollen index
2
Trend
Falling
Watch elm levels and limit long outdoor exposure during peak hours.
Elm is the main allergen
Pollen index
2
Trend
Stable
Watch elm levels and limit long outdoor exposure during peak hours.
Regional allergy forecast
Southeast Wisconsin allergy conditions can shift with Lake Michigan breezes, shoreline humidity, mature street trees, suburban lawns, and ragweed from open lots or roadside edges. Waukesha often feels more inland than Milwaukee, Kenosha, or Racine on breezy days.
Madison’s pollen mix reflects lakes, campus tree canopy, oak openings, prairie restorations, bike paths, lawns, and surrounding farmland. Calm humid mornings can feel different from dry, breezy afternoons.
The Fox Valley and Green Bay area combine bay and lake winds, river corridors, suburban landscaping, farm edges, and spring hardwood pollen. Damp weather can also make mold more noticeable around leaf litter and low spots.
Eau Claire’s allergy pattern is shaped by river valleys, hardwoods, open fields, parks, and western Wisconsin wind. Spring tree pollen can transition quickly into grass and late-summer ragweed exposure.
State-specific pollen calendar
April to early June
Maple, oak, birch, elm, ash, cottonwood, and other trees often lead Wisconsin’s spring allergy season. Lake-cooled areas may lag inland communities during some springs.
Mid-May to July
Grass pollen builds around lawns, parks, ballfields, trails, field edges, and rights-of-way. Late-spring and early-summer grass counts often feel worse during warm, dry, windy weather.
August to October
Ragweed is the main late-season trigger, with lamb’s quarters, pigweed, and other disturbed-ground weeds adding pressure until repeated cold nights or a hard freeze.
November to March
Outdoor pollen usually drops after hard freezes, but damp leaves, basement mold, pet dander, dust mites, dry indoor air, and spring thaw moisture can still irritate symptoms.
Weather-pollen correlation
Wind can disperse pollen, rain can temporarily wash particles down, and humidity can increase mold irritation. The city table combines pollen and weather signals so users can compare outdoor risk without opening every city page.