Name: Pollen forecast for Louisville (2026-10-22)
Creator: Pollen Count
Published: 2026-10-22T15:56:45Z
License: https://pollencount.org/terms/

The pollen count in Louisville today is moderate, driven mainly by Grass (mixed).

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 X.HI

Species	Level	Count
🌾 Grass (mixed)	MED	18 grains/m³
🌾 Cock's-foot	MED	16 grains/m³
🌾 Perennial Ryegrass	MED	14 grains/m³
🌾 Bermuda Grass	MED	13 grains/m³
🌿 Mugwort	MED	12 grains/m³
+35 more tracked Timothy 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 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	17 grains/m³
🌾 Cock's-foot	MED	15 grains/m³
🌾 Perennial Ryegrass	MED	13 grains/m³
🌾 Bermuda Grass	MED	12 grains/m³
🌿 Mugwort	MED	11 grains/m³
+35 more tracked Timothy 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 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)	HIGH	21 grains/m³
🌾 Cock's-foot	MED	18 grains/m³
🌾 Perennial Ryegrass	MED	16 grains/m³
🌾 Bermuda Grass	MED	15 grains/m³
🌿 Mugwort	MED	14 grains/m³
+35 more tracked Timothy 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 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)	HIGH	21 grains/m³
🌾 Cock's-foot	MED	18 grains/m³
🌾 Perennial Ryegrass	MED	16 grains/m³
🌾 Bermuda Grass	MED	15 grains/m³
🌿 Mugwort	MED	12 grains/m³
+35 more tracked Timothy 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 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	MED
Sat 24 Oct	LOW	HIGH	MED
Sun 25 Oct	LOW	HIGH	MED

Map of Louisville (38.2527°, -85.7585°)

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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