MED

11 active species

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4-Day Forecast:

Morning

Grass LOW

Tree V.HI

Weed LOW

Afternoon

Grass LOW

Tree MED

Weed LOW

Evening

Grass LOW

Tree MED

Weed LOW

Species	Level	Count
🌳 Ash	MED	32 grains/m³
🌳 Mediterranean Cypress	MED	31 grains/m³
🌳 Silver Birch	MED	24 grains/m³
🌳 Alder	MED	23 grains/m³
🌳 Field Elm	MED	20 grains/m³
+35 more tracked Box Elder Black Poplar Downy Birch Paper Birch White Mulberry English Oak Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar 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 White Oak Holm Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Ash	MED	32 grains/m³
🌳 Mediterranean Cypress	MED	31 grains/m³
🌳 Silver Birch	MED	24 grains/m³
🌳 Alder	MED	23 grains/m³
🌳 Field Elm	MED	20 grains/m³
+35 more tracked Box Elder Black Poplar Downy Birch Paper Birch White Mulberry English Oak Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar 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 White Oak Holm Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Ash	MED	33 grains/m³
🌳 Mediterranean Cypress	MED	32 grains/m³
🌳 Silver Birch	MED	24 grains/m³
🌳 Alder	MED	23 grains/m³
🌳 Field Elm	MED	20 grains/m³
+35 more tracked Box Elder Black Poplar Downy Birch Paper Birch White Mulberry English Oak Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar 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 White Oak Holm Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Ash	MED	30 grains/m³
🌳 Mediterranean Cypress	MED	29 grains/m³
🌳 Silver Birch	MED	22 grains/m³
🌳 Alder	MED	21 grains/m³
🌳 Field Elm	MED	18 grains/m³
+35 more tracked Box Elder Black Poplar Downy Birch Paper Birch White Mulberry English Oak Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar 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 White Oak Holm Oak Common Sorrel Russian Thistle 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 Zurich (47.3769°, 8.5417°)

More in Switzerland

Basel Bern Geneva

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