Name: Pollen forecast for Niigata (2026-09-07)
Creator: Pollen Count
Published: 2026-09-07T16:34:40Z
License: https://pollencount.org/terms/

The pollen count in Niigata today is LOW, driven mainly by Giant Ragweed.

LOW

1 active species

Refreshing live forecast…

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4-Day Forecast:

Morning

Grass MED

Tree LOW

Weed HIGH

Afternoon

Grass LOW

Tree LOW

Weed LOW

Evening

Grass MED

Tree LOW

Weed MED

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

Last updated: 16:34 UTC

4-Day Forecast	Tree	Grass	Weed
Mon 7 Sep	LOW	LOW	LOW
Tue 8 Sep	LOW	LOW	LOW
Wed 9 Sep	LOW	LOW	LOW
Thu 10 Sep	LOW	LOW	LOW

Map of Niigata (37.9161°, 139.0364°)

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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