Alaska pollen and allergy seasons

September outlookLow

Alaska has a short intense season concentrated in late spring and early summer, led by birch, with little ragweed.

Twelve month pollen calendar

J
F
M
A
M
J
J
A
S
O
N
D
LowModerateHighVery high
Dominant species in September
None active
Typical peak in September
No clear peak this month
Worst month of the year
May
Best month of the year
January

What is active in September

Pollen is typically low across the board in September in Alaska.

Cities in Alaska

No tracked cities yet for Alaska.

Today and worst today come from live readings where available. Typical shows the usual level for this month from the seasonal profile.

Pollen is only half of what's in the air. See today's air quality in Alaska for ozone, dust, and smoke readings by city.

The Alaska allergy season

Allergy levels in Alaska peak in May, when birch pollen runs highest. The season moves through tree pollen around May, grass in July. Levels start to climb around April. The lowest pollen levels of the year arrive in January.

Common questions

When does allergy season start in Alaska?

Pollen levels in Alaska usually begin climbing in April and reach their highest point in May.

What is the worst month for allergies in Alaska?

May is typically the worst month in Alaska, driven by birch pollen.

When is the best time for allergies in Alaska?

January usually brings the lowest pollen levels of the year in Alaska.