Name: Pollen forecast for Niigata (2026-10-23)
Creator: Pollen Count
Published: 2026-10-22T15:56:59Z
License: https://pollencount.org/terms/

The pollen count in Niigata 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 LOW

Afternoon

Grass MED

Tree LOW

Weed LOW

Evening

Grass LOW

Tree LOW

Weed LOW

Species	Level	Count
🌾 Grass (mixed)	MED	16 grains/m³
🌾 Bermuda Grass	LOW	3 grains/m³
🌾 Cock's-foot	LOW	2 grains/m³
🌾 Perennial Ryegrass	LOW	2 grains/m³
🌾 Timothy Grass	LOW	2 grains/m³
+35 more tracked Pigweed Mugwort Fat Hen Pellitory-of-the-wall Upright Pellitory Ribwort Plantain Common Sorrel Russian Thistle Stinging Nettle 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	11 grains/m³
🌾 Bermuda Grass	LOW	2 grains/m³
🌿 Pigweed	LOW	1 grains/m³
🌿 Mugwort	LOW	1 grains/m³
🌿 Fat Hen	LOW	1 grains/m³
+35 more tracked Cock's-foot Perennial Ryegrass Pellitory-of-the-wall Upright Pellitory Timothy Grass Ribwort Plantain Common Sorrel Russian Thistle Stinging Nettle 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)	LOW	4 grains/m³
🌿 Mugwort	LOW	1 grains/m³
🌾 Bermuda Grass	LOW	1 grains/m³
🌾 Cock's-foot	LOW	1 grains/m³
🌿 Upright Pellitory	LOW	1 grains/m³
+35 more tracked Ribwort Plantain Common Sorrel Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Parthenium Weed Timothy Grass London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS

Last updated: 15:56 UTC

4-Day Forecast	Tree	Grass	Weed
Fri 23 Oct	LOW	MED	LOW
Sat 24 Oct	LOW	MED	LOW
Sun 25 Oct	LOW	LOW	LOW

Map of Niigata (37.9161°, 139.0364°)

More in Japan

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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