
Dr. April Arseneau
Valley Allergy and Asthma Clinic
Check today's pollen count by city in Alaska. 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 Alaska 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 Anchorage, Fairbanks, Juneau, Ketchikan, Homer, Sitka.
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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.

Valley Allergy and Asthma Clinic

Valley Allergy and Asthma Clinic
Alaska 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.
A long winter can delay plant activity, then a fast warmup can push birch, alder, willow, spruce, grasses, and sedges into a compressed release window. That makes symptoms feel sudden and concentrated.
Fairbanks is more Interior and heat-sum driven, with sharp spring birch bursts. Anchorage has Southcentral coastal-valley influence, while Juneau, Sitka, and Ketchikan have wetter coastal forest conditions and more mold pressure.
Not usually in the same way it is across much of the Lower 48. Alaska late-season symptoms are often more tied to grasses, sedges, dock, plantain, nettle, lamb’s quarters, wormwood-type weeds, and mold, depending on the city.
Rain can knock pollen down for a while, especially along the coast, but damp weather can also make mold more noticeable. A warm, dry, breezy stretch after rain or snowmelt can restart pollen quickly.
Today's statewide signal
Alaska’s allergy season is shorter than most of the Lower 48, but it can spike quickly after thaw when birch, alder, willow, poplar, spruce, grasses, sedges, weeds, and mold respond to rapid green-up. Compare Anchorage, Fairbanks, Juneau, Ketchikan, Homer, and Sitka for local pollen levels, dominant allergens, weather context, and short-term trend signals.
Data updates regularly to reflect current conditions across Alaska cities.
Highest city index now
Anchorage
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Live city comparison
Sort Alaska cities by pollen index, temperature, or trend. Select a city for its full local forecast.
| Main allergen | Weather context | ||||
|---|---|---|---|---|---|
| Anchorage | 0None | None | Stable Tomorrow looks similar, near none conditions. | 60°F | Partly cloudy Outdoor pollen exposure looks limited for most people today. |
| Fairbanks | 0None | None | Stable Tomorrow looks similar, near none conditions. | 53°F | Light rain Rain is likely to wash pollen down, with better relief after rainfall passes. |
| Juneau | 0None | Weed | Stable Tomorrow looks similar, near none conditions. | 54°F | Light rain Outdoor pollen exposure looks limited for most people today. |
| Ketchikan | 0None | Weed | Stable Tomorrow looks similar, near none conditions. | 54°F | Light rain Outdoor pollen exposure looks limited for most people today. |
| Homer | 0None | None | Stable Tomorrow looks similar, near none conditions. | 55°F | Partly cloudy Outdoor pollen exposure looks limited for most people today. |
| Sitka | 0None | Weed | Stable Tomorrow looks similar, near none conditions. | 57°F | Cloudy Outdoor pollen exposure looks limited for most people today. |
None is the main allergen
Pollen index
0
Trend
Stable
Outdoor pollen exposure looks limited for most people today.
None is the main allergen
Pollen index
0
Trend
Stable
Rain is likely to wash pollen down, with better relief after rainfall passes.
Weed is the main allergen
Pollen index
0
Trend
Stable
Outdoor pollen exposure looks limited for most people today.
Weed is the main allergen
Pollen index
0
Trend
Stable
Outdoor pollen exposure looks limited for most people today.
None is the main allergen
Pollen index
0
Trend
Stable
Outdoor pollen exposure looks limited for most people today.
Weed is the main allergen
Pollen index
0
Trend
Stable
Outdoor pollen exposure looks limited for most people today.
Regional allergy forecast
Southcentral Alaska allergy conditions are shaped by Cook Inlet weather, birch and alder, cottonwood or poplar corridors, coastal moisture, grasses, and rapid warmups after snowmelt.
Fairbanks has one of Alaska’s strongest spring pollen signals, especially when accumulated heat after a cold spring triggers birch, alder, willow, poplar, spruce, sedge, grass, and mold activity.
Southeast Alaska has a wetter coastal-forest pattern, with alder, spruce, grasses, damp leaf litter, rainforest vegetation, and mold-friendly humidity often shaping symptoms as much as pollen.
State-specific pollen calendar
Late April to June
Alder, birch, willow, poplar or aspen, cottonwood, and spruce can rise quickly after thaw. Interior Alaska may see sharp bursts when a cold spring flips into warm, dry, breezy weather.
June to August
Bluegrass, sedges, meadow grasses, roadside grasses, parks, trails, and open areas can become more noticeable after the main tree peak fades.
July to September
Dock or sorrel, nettle, plantain, lamb’s quarters, wormwood-type weeds, and mold can matter in late summer, especially around damp vegetation, disturbed soil, and coastal or river-adjacent areas.
October to April
Outdoor pollen is usually low during sustained freezes and snow cover, but indoor dust, pets, dry heated air, wood smoke, and coastal dampness or mold can still trigger 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.