HIGH

14 active species

Refreshing live forecast…

.forecast-refresh-status{display:none!important}.date-tab{cursor:default;opacity:.55}Showing today's cached forecast. Enable JavaScript to switch days and load live data.

4-Day Forecast:

Morning

Grass MED

Tree LOW

Weed MED

Afternoon

Grass HIGH

Tree LOW

Weed MED

Evening

Grass MED

Tree LOW

Weed HIGH

Species	Level	Count
🌾 Grass (mixed)	HIGH	20 grains/m³
🌾 Cock's-foot	MED	15 grains/m³
🌾 Timothy Grass	MED	13 grains/m³
🌾 Perennial Ryegrass	MED	12 grains/m³
🌿 Russian Thistle	MED	9 grains/m³
+35 more tracked Fat Hen Bermuda Grass Pigweed Pellitory-of-the-wall Upright Pellitory Ribwort Plantain Stinging Nettle Mugwort 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 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	12 grains/m³
🌾 Cock's-foot	MED	9 grains/m³
🌾 Timothy Grass	MED	8 grains/m³
🌾 Perennial Ryegrass	MED	7 grains/m³
🌿 Fat Hen	MED	5 grains/m³
+35 more tracked Bermuda Grass Russian Thistle Pigweed Pellitory-of-the-wall Upright Pellitory Mugwort Ribwort Plantain Stinging Nettle 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 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)	LOW	2 grains/m³
🌿 Pigweed	LOW	1 grains/m³
🌿 Mugwort	LOW	1 grains/m³
🌿 Fat Hen	LOW	1 grains/m³
🌾 Bermuda Grass	LOW	1 grains/m³
+35 more tracked Cock's-foot Perennial Ryegrass Pellitory-of-the-wall Upright Pellitory Timothy Grass Ribwort Plantain Russian Thistle Stinging Nettle 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 Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Field Elm All species in the app: Android iOS
🌿 Russian Thistle	LOW	2 grains/m³
🌿 Pigweed	LOW	1 grains/m³
🌿 Mugwort	LOW	1 grains/m³
🌿 Fat Hen	LOW	1 grains/m³
🌾 Bermuda Grass	LOW	1 grains/m³
+35 more tracked Cock's-foot Perennial Ryegrass Pellitory-of-the-wall Upright Pellitory Timothy Grass Ribwort Plantain Grass (mixed) Stinging Nettle 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 Ash Mountain Cedar White Mulberry Olive Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Field Elm All species in the app: Android iOS

Last updated: 14:03 UTC

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

Map of Washington, D.C. (38.9072°, -77.0369°)

More in United States

Atlanta Austin Baltimore Boston Buffalo Charlotte

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