MED

11 active species

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4-Day Forecast:

Morning

Grass LOW

Tree HIGH

Weed LOW

Afternoon

Grass LOW

Tree MED

Weed LOW

Evening

Grass LOW

Tree X.HI

Weed LOW

Species	Level	Count
🌳 Downy Birch	MED	23 grains/m³
🌳 Paper Birch	MED	21 grains/m³
🌳 Silver Birch	MED	19 grains/m³
🌳 Japanese Cedar	MED	16 grains/m³
🌳 White Oak	MED	11 grains/m³
+35 more tracked English Oak White Mulberry Japanese Cypress Box Elder Black Poplar Ash Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Fat Hen Hazel Mediterranean Cypress Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite Holm Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌳 Downy Birch	MED	26 grains/m³
🌳 Paper Birch	MED	24 grains/m³
🌳 Silver Birch	MED	22 grains/m³
🌳 Japanese Cedar	MED	18 grains/m³
🌳 White Oak	MED	12 grains/m³
+35 more tracked White Mulberry English Oak Japanese Cypress Box Elder Black Poplar Ash Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Fat Hen Hazel Mediterranean Cypress Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite Holm Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌳 Downy Birch	MED	23 grains/m³
🌳 Paper Birch	MED	21 grains/m³
🌳 Silver Birch	MED	19 grains/m³
🌳 Japanese Cedar	MED	16 grains/m³
🌳 White Oak	MED	11 grains/m³
+35 more tracked English Oak White Mulberry Japanese Cypress Box Elder Black Poplar Ash Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Fat Hen Hazel Mediterranean Cypress Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite Holm Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌳 Downy Birch	MED	20 grains/m³
🌳 Paper Birch	MED	19 grains/m³
🌳 Silver Birch	MED	17 grains/m³
🌳 Japanese Cedar	MED	14 grains/m³
🌳 White Oak	MED	10 grains/m³
+35 more tracked English Oak White Mulberry Japanese Cypress Box Elder Black Poplar Ash Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Fat Hen Hazel Mediterranean Cypress Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite Holm Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS

Last updated: 14:03 UTC

4-Day Forecast	Tree	Grass	Weed
Wed 20 May	MED	LOW	LOW
Thu 21 May	MED	LOW	LOW
Fri 22 May	MED	LOW	LOW
Sat 23 May	MED	LOW	LOW

Map of Sapporo (43.0618°, 141.3545°)

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