V.HI

14 active species

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4-Day Forecast:

Morning

Grass MED

Tree V.HI

Weed MED

Afternoon

Grass HIGH

Tree V.HI

Weed MED

Evening

Grass MED

Tree LOW

Weed MED

Species	Level	Count
🌳 Olive	V.HI	126 grains/m³
🌾 Grass (mixed)	HIGH	26 grains/m³
🌾 Cock's-foot	HIGH	21 grains/m³
🌾 Perennial Ryegrass	HIGH	21 grains/m³
🌾 Timothy Grass	MED	19 grains/m³
+35 more tracked Bermuda Grass Pellitory-of-the-wall Upright Pellitory Stinging Nettle Pigweed Fat Hen Ribwort Plantain Russian Thistle Common Sorrel Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar White Mulberry Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌳 Olive	HIGH	55 grains/m³
🌾 Grass (mixed)	LOW	3 grains/m³
🌿 Pigweed	LOW	2 grains/m³
🌿 Fat Hen	LOW	2 grains/m³
🌾 Bermuda Grass	LOW	2 grains/m³
+35 more tracked Cock's-foot Perennial Ryegrass Pellitory-of-the-wall Upright Pellitory Timothy Grass Ribwort Plantain Russian Thistle Stinging Nettle Common Sorrel Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar White Mulberry Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌳 Olive	HIGH	72 grains/m³
🌾 Grass (mixed)	HIGH	28 grains/m³
🌾 Cock's-foot	HIGH	23 grains/m³
🌾 Perennial Ryegrass	HIGH	23 grains/m³
🌾 Timothy Grass	HIGH	21 grains/m³
+35 more tracked Bermuda Grass Pellitory-of-the-wall Stinging Nettle Pigweed Upright Pellitory Fat Hen Ribwort Plantain Russian Thistle Common Sorrel Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar White Mulberry Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌳 Olive	LOW	8 grains/m³
🌾 Grass (mixed)	LOW	1 grains/m³
🌳 Box Elder	LOW	-
🌳 Alder	LOW	-
🌿 Pigweed	LOW	-
+35 more tracked Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS

Last updated: 14:03 UTC

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

Map of Philadelphia (39.9526°, -75.1652°)

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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