Name: Pollen forecast for Sendai (2026-10-23)
Creator: Pollen Count
Published: 2026-10-22T15:56:58Z
License: https://pollencount.org/terms/

The pollen count in Sendai today is high, driven mainly by Mugwort.

HIGH

14 active species

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4-Day Forecast:

Morning

Grass MED

Tree LOW

Weed MED

Afternoon

Grass MED

Tree LOW

Weed HIGH

Evening

Grass LOW

Tree LOW

Weed MED

Species	Level	Count
🌿 Mugwort	HIGH	21 grains/m³
🌾 Perennial Ryegrass	MED	15 grains/m³
🌾 Grass (mixed)	MED	15 grains/m³
🌿 Pellitory-of-the-wall	MED	14 grains/m³
🌾 Timothy Grass	MED	14 grains/m³
+35 more tracked Cock's-foot Upright Pellitory Stinging Nettle Fat Hen Bermuda Grass Pigweed Ribwort Plantain Common Sorrel Russian Thistle 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	41 grains/m³
🌿 Pellitory-of-the-wall	HIGH	27 grains/m³
🌿 Upright Pellitory	HIGH	26 grains/m³
🌿 Stinging Nettle	HIGH	24 grains/m³
🌿 Fat Hen	HIGH	19 grains/m³
+35 more tracked Perennial Ryegrass Grass (mixed) Pigweed Ribwort Plantain Cock's-foot Timothy Grass Common Sorrel Russian Thistle Bermuda Grass 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	47 grains/m³
🌿 Pellitory-of-the-wall	V.HI	31 grains/m³
🌿 Upright Pellitory	V.HI	30 grains/m³
🌿 Stinging Nettle	HIGH	27 grains/m³
🌿 Fat Hen	HIGH	22 grains/m³
+35 more tracked Pigweed Ribwort Plantain Perennial Ryegrass Grass (mixed) Cock's-foot Timothy Grass Common Sorrel Russian Thistle Bermuda Grass 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
Fri 23 Oct	LOW	MED	HIGH
Sat 24 Oct	LOW	MED	V.HI
Sun 25 Oct	LOW	HIGH	V.HI

Map of Sendai (38.2682°, 140.8694°)

More in Japan

Niigata Saitama Chiba Tokyo Yokohama Shizuoka

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