V.HI

9 active species

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4-Day Forecast:

Morning

Grass LOW

Tree V.HI

Weed LOW

Afternoon

Grass LOW

Tree V.HI

Weed LOW

Evening

Grass LOW

Tree MED

Weed LOW

Species	Level	Count
🌳 Alder	V.HI	178 grains/m³
🌳 Hazel	V.HI	160 grains/m³
🌳 Ash	HIGH	69 grains/m³
🌳 Box Elder	MED	24 grains/m³
🌳 Mediterranean Cypress	MED	17 grains/m³
+35 more tracked Black Poplar Field Elm Japanese Cedar Silver Birch Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Alder	V.HI	108 grains/m³
🌳 Hazel	HIGH	97 grains/m³
🌳 Ash	MED	42 grains/m³
🌳 Box Elder	MED	14 grains/m³
🌳 Mediterranean Cypress	MED	10 grains/m³
+35 more tracked Black Poplar Field Elm Silver Birch Japanese Cedar Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Alder	HIGH	89 grains/m³
🌳 Hazel	HIGH	80 grains/m³
🌳 Ash	MED	34 grains/m³
🌳 Box Elder	MED	12 grains/m³
🌳 Mediterranean Cypress	LOW	8 grains/m³
+35 more tracked Black Poplar Field Elm Silver Birch Japanese Cedar Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Alder	V.HI	104 grains/m³
🌳 Hazel	HIGH	94 grains/m³
🌳 Ash	MED	40 grains/m³
🌳 Box Elder	MED	14 grains/m³
🌳 Mediterranean Cypress	MED	10 grains/m³
+35 more tracked Black Poplar Field Elm Silver Birch Japanese Cedar Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Bermuda Grass Cock's-foot Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Mesquite White Oak Holm Oak English 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	V.HI	LOW	LOW
Thu 21 May	V.HI	LOW	LOW
Fri 22 May	HIGH	LOW	LOW
Sat 23 May	V.HI	LOW	LOW

Map of Halifax (44.6488°, -63.5752°)

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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