Name: Pollen forecast for Detroit (2026-10-22)
Creator: Pollen Count
Published: 2026-10-22T15:56:46Z
License: https://pollencount.org/terms/

The pollen count in Detroit today is moderate, driven mainly by Perennial Ryegrass.

MED

14 active species

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4-Day Forecast:

Morning

Grass MED

Tree LOW

Weed MED

Afternoon

Grass MED

Tree LOW

Weed MED

Evening

Grass HIGH

Tree LOW

Weed V.HI

Species	Level	Count
🌾 Perennial Ryegrass	MED	18 grains/m³
🌾 Grass (mixed)	MED	18 grains/m³
🌾 Cock's-foot	MED	17 grains/m³
🌾 Timothy Grass	MED	17 grains/m³
🌾 Bermuda Grass	MED	13 grains/m³
+35 more tracked Mugwort Pellitory-of-the-wall Upright Pellitory Russian Thistle Stinging Nettle Pigweed Fat Hen 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 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
🌿 Mugwort	HIGH	15 grains/m³
🌾 Grass (mixed)	MED	11 grains/m³
🌾 Cock's-foot	MED	10 grains/m³
🌾 Perennial Ryegrass	MED	10 grains/m³
🌾 Timothy Grass	MED	10 grains/m³
+35 more tracked Pellitory-of-the-wall Bermuda Grass Upright Pellitory Stinging Nettle Fat Hen Russian Thistle Pigweed 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 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
🌿 Mugwort	HIGH	17 grains/m³
🌾 Perennial Ryegrass	MED	15 grains/m³
🌾 Grass (mixed)	MED	15 grains/m³
🌾 Timothy Grass	MED	14 grains/m³
🌾 Cock's-foot	MED	13 grains/m³
+35 more tracked Pellitory-of-the-wall Bermuda Grass Upright Pellitory Stinging Nettle Fat Hen Russian Thistle Pigweed 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 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
🌿 Mugwort	V.HI	31 grains/m³
🌾 Grass (mixed)	HIGH	29 grains/m³
🌾 Perennial Ryegrass	HIGH	28 grains/m³
🌾 Timothy Grass	HIGH	27 grains/m³
🌾 Cock's-foot	HIGH	26 grains/m³
+35 more tracked Bermuda Grass Pellitory-of-the-wall Upright Pellitory Stinging Nettle Russian Thistle Fat Hen Pigweed Ribwort Plantain Common Sorrel Sagebrush Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed 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

Last updated: 15:56 UTC

4-Day Forecast	Tree	Grass	Weed
Thu 22 Oct	LOW	MED	MED
Fri 23 Oct	LOW	MED	HIGH
Sat 24 Oct	LOW	MED	HIGH
Sun 25 Oct	LOW	HIGH	V.HI

Map of Detroit (42.3314°, -83.0458°)

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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