X.HI

14 active species

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4-Day Forecast:

Morning

Grass HIGH

Tree X.HI

Weed MED

Afternoon

Grass HIGH

Tree X.HI

Weed HIGH

Evening

Grass HIGH

Tree MED

Weed X.HI

Species	Level	Count
🌳 Olive	X.HI	261 grains/m³
🌾 Grass (mixed)	HIGH	42 grains/m³
🌾 Cock's-foot	HIGH	35 grains/m³
🌾 Perennial Ryegrass	HIGH	28 grains/m³
🌾 Timothy Grass	HIGH	24 grains/m³
+35 more tracked Bermuda Grass Pellitory-of-the-wall Upright Pellitory Pigweed Fat Hen 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	V.HI	105 grains/m³
🌾 Grass (mixed)	MED	14 grains/m³
🌾 Cock's-foot	MED	12 grains/m³
🌾 Perennial Ryegrass	MED	10 grains/m³
🌿 Pigweed	MED	8 grains/m³
+35 more tracked Fat Hen Pellitory-of-the-wall Upright Pellitory Timothy Grass Bermuda 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	77 grains/m³
🌾 Grass (mixed)	HIGH	22 grains/m³
🌾 Cock's-foot	MED	18 grains/m³
🌾 Perennial Ryegrass	MED	15 grains/m³
🌾 Timothy Grass	MED	12 grains/m³
+35 more tracked Bermuda Grass Pellitory-of-the-wall Pigweed Fat Hen Upright Pellitory 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	MED	24 grains/m³
🌾 Grass (mixed)	LOW	3 grains/m³
🌿 Pigweed	LOW	2 grains/m³
🌿 Fat Hen	LOW	2 grains/m³
🌾 Cock's-foot	LOW	2 grains/m³
+35 more tracked Perennial Ryegrass Pellitory-of-the-wall Upright Pellitory Timothy Grass Ribwort Plantain Russian Thistle Stinging Nettle Bermuda Grass 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

Last updated: 14:03 UTC

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

Map of Baltimore (39.2904°, -76.6122°)

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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