HIGH

11 active species

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4-Day Forecast:

Morning

Grass LOW

Tree HIGH

Weed LOW

Afternoon

Grass LOW

Tree HIGH

Weed LOW

Evening

Grass LOW

Tree MED

Weed LOW

Species	Level	Count
🌳 Silver Birch	HIGH	80 grains/m³
🌳 Downy Birch	HIGH	60 grains/m³
🌳 Paper Birch	MED	48 grains/m³
🌳 English Oak	MED	38 grains/m³
🌳 White Oak	MED	25 grains/m³
+35 more tracked Box Elder Black Poplar Ash Holm Oak London Plane Field Elm Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain Grass (mixed) Mesquite Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Silver Birch	HIGH	90 grains/m³
🌳 Downy Birch	HIGH	67 grains/m³
🌳 Paper Birch	HIGH	53 grains/m³
🌳 English Oak	MED	42 grains/m³
🌳 White Oak	MED	28 grains/m³
+35 more tracked Black Poplar Box Elder Ash Holm Oak London Plane Field Elm Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain Grass (mixed) Mesquite Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Silver Birch	HIGH	90 grains/m³
🌳 Downy Birch	HIGH	68 grains/m³
🌳 Paper Birch	HIGH	53 grains/m³
🌳 English Oak	MED	42 grains/m³
🌳 White Oak	MED	28 grains/m³
+35 more tracked Black Poplar Box Elder Ash Holm Oak London Plane Field Elm Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain Grass (mixed) Mesquite Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Silver Birch	MED	48 grains/m³
🌳 Downy Birch	MED	36 grains/m³
🌳 Paper Birch	MED	28 grains/m³
🌳 English Oak	MED	22 grains/m³
🌳 White Oak	MED	15 grains/m³
+35 more tracked Black Poplar Box Elder Ash Holm Oak London Plane Field Elm Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain Grass (mixed) Mesquite 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	HIGH	LOW	LOW
Thu 21 May	HIGH	LOW	LOW
Fri 22 May	HIGH	LOW	LOW
Sat 23 May	MED	LOW	LOW

Map of Utrecht (52.0907°, 5.1214°)

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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