Washington pollen and allergy seasons

July outlookHigh

Washington has an early tree season west of the mountains and an intense grass season in late spring and early summer.

Twelve month pollen calendar

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LowModerateHighVery high

Dominant species in July

Grass

Typical peak in July

early-July to mid-July

Worst month of the year

June

Best month of the year

January

What is active in July

Grass

High

Cities in Washington

City	Today	Worst today	Typical in July
Seattle	Very Highas of Jul 15	Grass	High
Spokane	Very Highas of Jul 15	Grass	High
Kennewick	Very Highas of Jul 15	Grass	High
Vancouver	Very Highas of Jul 15	Grass	High
Marysville	Very Highas of Jul 15	Grass	High
Yakima	Very Highas of Jul 15	Grass	High
Everett	Very Highas of Jul 15	Grass	High
Spokane Valley	Very Highas of Jul 15	Grass	High
Wenatchee	Very Highas of Jul 15	Grass	High
Redmond	Very Highas of Jul 15	Grass	High
Longview	Very Highas of Jul 15	Grass	High
Sammamish	Very Highas of Jul 15	Grass	High
Lakewood	Very Highas of Jul 15	Grass	High
Shoreline	Very Highas of Jul 15	Grass	High
Burien	Very Highas of Jul 15	Grass	High
Spanaway	Very Highas of Jul 15	Grass	High
Pullman	Very Highas of Jul 15	Grass	High
Kenmore	Very Highas of Jul 15	Grass	High
Cottage Lake	Very Highas of Jul 15	Grass	High
Hazel Dell	Very Highas of Jul 15	Grass	High
Tukwila	Very Highas of Jul 15	Grass	High
Silverdale	Very Highas of Jul 15	Grass	High
Bothell West	Very Highas of Jul 15	Grass	High
Mill Creek	Very Highas of Jul 15	Grass	High
Port Angeles	Very Highas of Jul 15	Grass	High
Monroe	Very Highas of Jul 15	Grass	High
Salmon Creek	Very Highas of Jul 15	Grass	High
Ellensburg	Very Highas of Jul 15	Grass	High
Anacortes	Very Highas of Jul 15	Grass	High
Bryn Mawr-Skyway	Very Highas of Jul 15	Grass	High
Aberdeen	Very Highas of Jul 15	Grass	High
Lynden	Very Highas of Jul 15	Grass	High
East Wenatchee	Very Highas of Jul 15	Grass	High
Artondale	Very Highas of Jul 15	Grass	High
Fort Lewis	Very Highas of Jul 15	Grass	High
Elk Plain	Very Highas of Jul 15	Grass	High
Lake Forest Park	Very Highas of Jul 15	Grass	High
Lakeland South	Very Highas of Jul 15	Grass	High
Cheney	Very Highas of Jul 15	Grass	High
Enumclaw	Very Highas of Jul 15	Grass	High
Ridgefield	Very Highas of Jul 15	Grass	High
Lake Tapps	Very Highas of Jul 15	Grass	High
East Renton Highlands	Very Highas of Jul 15	Grass	High
Prairie Ridge	Very Highas of Jul 15	Grass	High
Birch Bay	Very Highas of Jul 15	Grass	High
Allyn	Very Highas of Jul 15	Grass	High
Fall City	Very Highas of Jul 15	Grass	High
Long Beach	Very Highas of Jul 15	Grass	High
Sequim	Very Highas of Jul 15	Grass	High
Langley	Very Highas of Jul 15	Grass	High
Union Gap	Very Highas of Jul 15	Grass	High
Hatton	Very Highas of Jul 15	Grass	High
Vashon	Very Highas of Jul 15	Grass	High
Toppenish	Very Highas of Jul 15	Grass	High
Elma	Very Highas of Jul 15	Grass	High
Newport	Very Highas of Jul 15	Grass	High
Nordland	Very Highas of Jul 15	Grass	High
Grandview	Very Highas of Jul 15	Grass	High
Nine Mile Falls	Very Highas of Jul 15	Grass	High
Eatonville	Very Highas of Jul 15	Grass	High
Burlington	Very Highas of Jul 15	Grass	High
Brownstown	Very Highas of Jul 15	Grass	High
Deer Harbor	Very Highas of Jul 15	Grass	High
Eastsound	Very Highas of Jul 15	Grass	High
Tulalip	Very Highas of Jul 15	Grass	High
Town And Country	Very Highas of Jul 15	Grass	High
Virginia	Very Highas of Jul 15	Grass	High
Chattaroy	Very Highas of Jul 15	Grass	High
Alderwood Manor	Very Highas of Jul 15	Grass	High
Benton City	Very Highas of Jul 15	Grass	High
Peshastin	Very Highas of Jul 15	Grass	High
Lopez Island	Very Highas of Jul 15	Grass	High
Carson	Very Highas of Jul 15	Grass	High
Chehalis	Very Highas of Jul 15	Grass	High
Camano Island	Very Highas of Jul 15	Grass	High
Quilcene	Very Highas of Jul 15	Grass	High
White Salmon	Very Highas of Jul 15	Grass	High
Friday Harbor	Very Highas of Jul 15	Grass	High
Yelm	Very Highas of Jul 15	Grass	High
Silverlake	Very Highas of Jul 15	Grass	High
Hay	Very Highas of Jul 15	Grass	High
Selah	Very Highas of Jul 15	Grass	High
Bingen	Very Highas of Jul 15	Grass	High
Bremerton	Highas of Jul 15	Grass	High
Bellevue	Highas of Jul 15	Grass	High
Bellingham	Highas of Jul 15	Grass	High
South Hill	Highas of Jul 15	Grass	High
Richland	Highas of Jul 15	Grass	High
Lacey	Highas of Jul 15	Grass	High
Bothell	Highas of Jul 15	Grass	High
Lynnwood	Highas of Jul 15	Grass	High
Parkland	Highas of Jul 15	Grass	High
University Place	Highas of Jul 15	Grass	High
Mountlake Terrace	Highas of Jul 15	Grass	High
Port Orchard	Highas of Jul 15	Grass	High
Lakebay	Highas of Jul 15	Grass	High
Brush Prairie	Highas of Jul 15	Grass	High
Steilacoom	Highas of Jul 15	Grass	High
Kingston	Highas of Jul 15	Grass	High
Kalama	Highas of Jul 15	Grass	High
South Seattle	Highas of Jul 15	Grass	High
Olalla	Highas of Jul 15	Grass	High
Duvall	Highas of Jul 15	Grass	High
Chimacum	Highas of Jul 15	Grass	High
Mill Plain	Highas of Jul 15	Grass	High
Otis Orchards	Highas of Jul 15	Grass	High
Alder	Highas of Jul 15	Grass	High
Port Ludlow	Highas of Jul 15	Grass	High
Manson	Highas of Jul 15	Grass	High
Pacific	Highas of Jul 15	Grass	High
Clinton	Highas of Jul 15	Grass	High
Seabeck	Highas of Jul 15	Grass	High
Cle Elum	Highas of Jul 15	Grass	High
Belfair	Highas of Jul 15	Grass	High
Orting	Highas of Jul 15	Grass	High
Bainbridge	Highas of Jul 15	Grass	High
Greenacres	Highas of Jul 15	Grass	High
Buckley	Highas of Jul 15	Grass	High
Cathlamet	Highas of Jul 15	Grass	High
Tacoma	Moderateas of Jul 15	Grass	High
Olympia	Moderateas of Jul 15	Grass	High
Kent	Moderateas of Jul 15	Grass	High
Renton	Moderateas of Jul 15	Grass	High
Federal Way	Moderateas of Jul 15	Grass	High
Kirkland	Moderateas of Jul 15	Grass	High
Pasco	Moderateas of Jul 15	Grass	High
Edmonds	Moderateas of Jul 15	Grass	High
Puyallup	Moderateas of Jul 15	Grass	High
Issaquah	Moderateas of Jul 15	Grass	High
Graham	Moderateas of Jul 15	Grass	High
Walla Walla	Moderateas of Jul 15	Grass	High
Orchards	Moderateas of Jul 15	Grass	High
Moses Lake	Moderateas of Jul 15	Grass	High
Mercer Island	Moderateas of Jul 15	Grass	High
Bainbridge Island	Moderateas of Jul 15	Grass	High
Frederickson	Moderateas of Jul 15	Grass	High
Martha Lake	Moderateas of Jul 15	Grass	High
Mukilteo	Moderateas of Jul 15	Grass	High
Arlington	Moderateas of Jul 15	Grass	High
Centralia	Moderateas of Jul 15	Grass	High
Washougal	Moderateas of Jul 15	Grass	High
Sunnyside	Moderateas of Jul 15	Grass	High
Lake Stickney	Moderateas of Jul 15	Grass	High
White Center	Moderateas of Jul 15	Grass	High
Lakeland North	Moderateas of Jul 15	Grass	High
Snoqualmie	Moderateas of Jul 15	Grass	High
Woodinville	Moderateas of Jul 15	Grass	High
Newcastle	Moderateas of Jul 15	Grass	High
Sedro Woolley	Moderateas of Jul 15	Grass	High
Liberty Lake	Moderateas of Jul 15	Grass	High
Gig Harbor	Moderateas of Jul 15	Grass	High
Poulsbo	Moderateas of Jul 15	Grass	High
Oceanside	Moderateas of Jul 15	Grass	High
Hansville	Moderateas of Jul 15	Grass	High
Queen Anne	Moderateas of Jul 15	Grass	High
Carnation	Moderateas of Jul 15	Grass	High
Point Roberts	Moderateas of Jul 15	Grass	High
Cinebar	Moderateas of Jul 15	Grass	High
Hoodsport	Moderateas of Jul 15	Grass	High
Napavine	Moderateas of Jul 15	Grass	High
Millwood	Moderateas of Jul 15	Grass	High
Sultan	Moderateas of Jul 15	Grass	High
Clarkston	Moderateas of Jul 15	Grass	High
Gold Bar	Moderateas of Jul 15	Grass	High
Freeland	Moderateas of Jul 15	Grass	High
South Tacoma	Moderateas of Jul 15	Grass	High
Olga	Moderateas of Jul 15	Grass	High
Montesano	Moderateas of Jul 15	Grass	High
Mazama	Moderateas of Jul 15	Grass	High
Port Townsend	Moderateas of Jul 15	Grass	High
Granite Falls	Moderateas of Jul 15	Grass	High
Seaview	Moderateas of Jul 15	Grass	High
Husum	Moderateas of Jul 15	Grass	High
Mattawa	Moderateas of Jul 15	Grass	High
Grayland	Moderateas of Jul 15	Grass	High
Skamokawa	Moderateas of Jul 15	Grass	High
Ethel	Moderateas of Jul 15	Grass	High
Black Diamond	Moderateas of Jul 15	Grass	High
Mckenna	Moderateas of Jul 15	Grass	High
Deming	Moderateas of Jul 15	Grass	High
North Bend	Moderateas of Jul 15	Grass	High
Stanwood	Moderateas of Jul 15	Grass	High
Sumner	Moderateas of Jul 15	Grass	High
Stevenson	Moderateas of Jul 15	Grass	High
Auburn	No live reading	Not available	High
Mount Vernon	No live reading	Not available	High
Lake Stevens	No live reading	Not available	High
Des Moines	No live reading	Not available	High
SeaTac	No live reading	Not available	High
Maple Valley	No live reading	Not available	High
Camas	No live reading	Not available	High
Tumwater	No live reading	Not available	High
Mill Creek East	No live reading	Not available	High
Oak Harbor	No live reading	Not available	High
North Lynnwood	No live reading	Not available	High
Eastmont	No live reading	Not available	High
Union Hill-Novelty Hill	No live reading	Not available	High
Bonney Lake	No live reading	Not available	High
Silver Firs	No live reading	Not available	High
Five Corners	No live reading	Not available	High
Battle Ground	No live reading	Not available	High
Covington	No live reading	Not available	High
Fairwood	No live reading	Not available	High
Camano	No live reading	Not available	High
West Richland	No live reading	Not available	High
Ferndale	No live reading	Not available	High
Bothell East	No live reading	Not available	High
Kelso	No live reading	Not available	High
Edgewood	No live reading	Not available	High
Minnehaha	No live reading	Not available	High
Port Hadlock	No live reading	Not available	High
Winthrop	No live reading	Not available	High
Diamond Lake	No live reading	Not available	High
Quincy	No live reading	Not available	High
Goldendale	No live reading	Not available	High
Eastgate	No live reading	Not available	High
Waitsburg	No live reading	Not available	High
Castle Rock	No live reading	Not available	High
Ocean Shores	No live reading	Not available	High
Factoria	No live reading	Not available	High
Tahuya	No live reading	Not available	High
Royal City	No live reading	Not available	High
Esperance	No live reading	Not available	High
Wilburton	No live reading	Not available	High
Carlsborg	No live reading	Not available	High
La Conner	No live reading	Not available	High
Westport	No live reading	Not available	High
Othello	No live reading	Not available	High
Vaughn	No live reading	Not available	High
Suquamish	No live reading	Not available	High
Leavenworth	No live reading	Not available	High
Midvale Corner	No live reading	Not available	High
Rosburg	No live reading	Not available	High
Coupeville	No live reading	Not available	High
Mead	No live reading	Not available	High
Preston	No live reading	Not available	High
La Center	No live reading	Not available	High
Airway Heights	No live reading	Not available	High
Veradale	No live reading	Not available	High
Mccleary	No live reading	Not available	High
Snohomish	No live reading	Not available	High
Klipsan Beach	No live reading	Not available	High
Ocean Park	No live reading	Not available	High
Blaine	No live reading	Not available	High
Shelton	No live reading	Not available	High
Almira	No live reading	Not available	High

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

The Washington allergy season

Allergy levels in Washington peak in June, when grass pollen runs highest. The season moves through tree pollen around February, grass in June, weed pollen such as ragweed in August. Levels start to climb around February. The lowest pollen levels of the year arrive in January.

Common questions

When does allergy season start in Washington?

Pollen levels in Washington usually begin climbing in February and reach their highest point in June.

What is the worst month for allergies in Washington?

June is typically the worst month in Washington, driven by grass pollen.

When does ragweed season end in Washington?

Ragweed pollen in Washington usually fades by the end of September, after the first hard frost in colder areas.

When is the best time for allergies in Washington?

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