MED

13 active species

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4-Day Forecast:

Morning

Grass LOW

Tree LOW

Weed LOW

Afternoon

Grass MED

Tree LOW

Weed LOW

Evening

Grass MED

Tree LOW

Weed MED

Species	Level	Count
🌾 Grass (mixed)	MED	6 grains/m³
🌾 Timothy Grass	MED	5 grains/m³
🌾 Cock's-foot	LOW	4 grains/m³
🌾 Perennial Ryegrass	LOW	4 grains/m³
🌿 Pigweed	LOW	2 grains/m³
+35 more tracked Mugwort Fat Hen Pellitory-of-the-wall Upright Pellitory Russian Thistle Stinging Nettle Ribwort Plantain Common Sorrel Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌾 Grass (mixed)	MED	14 grains/m³
🌾 Timothy Grass	MED	13 grains/m³
🌾 Cock's-foot	MED	10 grains/m³
🌾 Perennial Ryegrass	MED	10 grains/m³
🌿 Fat Hen	LOW	4 grains/m³
+35 more tracked Pellitory-of-the-wall Upright Pellitory Russian Thistle Stinging Nettle Pigweed Mugwort Ribwort Plantain Common Sorrel Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌾 Grass (mixed)	MED	11 grains/m³
🌾 Timothy Grass	MED	10 grains/m³
🌾 Cock's-foot	MED	8 grains/m³
🌾 Perennial Ryegrass	MED	7 grains/m³
🌿 Pigweed	LOW	3 grains/m³
+35 more tracked Fat Hen Pellitory-of-the-wall Upright Pellitory Russian Thistle Stinging Nettle Mugwort Ribwort Plantain Common Sorrel Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌾 Grass (mixed)	MED	14 grains/m³
🌾 Timothy Grass	MED	12 grains/m³
🌾 Cock's-foot	MED	10 grains/m³
🌾 Perennial Ryegrass	MED	9 grains/m³
🌿 Russian Thistle	LOW	4 grains/m³
+35 more tracked Stinging Nettle Pigweed Mugwort Fat Hen Pellitory-of-the-wall Upright Pellitory Ribwort Plantain Common Sorrel Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS

Last updated: 14:03 UTC

4-Day Forecast	Tree	Grass	Weed
Wed 20 May	LOW	MED	LOW
Thu 21 May	LOW	MED	LOW
Fri 22 May	LOW	MED	LOW
Sat 23 May	LOW	MED	LOW

Map of Seattle (47.6062°, -122.3321°)

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What Pollen Levels Mean

LOW Symptoms are unlikely

MED Moderate risk of symptoms

HIGH Widespread symptoms likely

V.HI Expect significant symptoms

X.HI Extremely high symptom likelihood & severity