Name: Pollen forecast for Halifax (2026-09-01)
Creator: Pollen Count
Published: 2026-09-01T15:30:31Z
License: https://pollencount.org/terms/

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About Pollen in Halifax

Halifax experiences peak spring tree pollen (Birch, Oak) March-May, originating from mature specimens within Shibden Park, People’s Park, and surrounding valley woodlands; summer sees high grass pollen counts June-July, prevalent across Calder Valley meadows and local parklands like Manor Heath Park. The city’s valley topography often traps airborne allergens, intensifying local pollen levels; late-season mould spores August-October are prevalent due to Halifax’s damp climate and decomposing leaf litter in wooded areas.

The pollen count in Halifax today is HIGH, driven mainly by Mugwort.

HIGH

15 active species

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4-Day Forecast:

Morning

Grass MED

Tree LOW

Weed HIGH

Afternoon

Grass MED

Tree LOW

Weed HIGH

Evening

Grass LOW

Tree LOW

Weed MED

Species	Level	Count
🌿 Mugwort	HIGH	24 grains/m³
🌾 Grass (mixed)	MED	17 grains/m³
🌿 Common Ragweed	HIGH	15 grains/m³
🌿 Giant Ragweed	MED	14 grains/m³
🌾 Timothy Grass	MED	14 grains/m³
+35 more tracked Perennial Ryegrass Cock's-foot Russian Thistle Fat Hen Stinging Nettle Pigweed Ribwort Plantain Common Sorrel Western Ragweed Sagebrush Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌿 Mugwort	MED	14 grains/m³
🌿 Common Ragweed	MED	9 grains/m³
🌿 Giant Ragweed	MED	8 grains/m³
🌾 Grass (mixed)	MED	6 grains/m³
🌿 Russian Thistle	MED	5 grains/m³
+35 more tracked Stinging Nettle Pigweed Fat Hen Cock's-foot Perennial Ryegrass Timothy Grass Ribwort Plantain Western Ragweed Common Sorrel Sagebrush Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌿 Mugwort	HIGH	27 grains/m³
🌿 Common Ragweed	HIGH	16 grains/m³
🌿 Giant Ragweed	HIGH	16 grains/m³
🌾 Grass (mixed)	MED	15 grains/m³
🌾 Timothy Grass	MED	12 grains/m³
+35 more tracked Cock's-foot Perennial Ryegrass Russian Thistle Stinging Nettle Fat Hen Pigweed Ribwort Plantain Common Sorrel Western Ragweed Sagebrush Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS
🌿 Mugwort	HIGH	18 grains/m³
🌾 Grass (mixed)	MED	14 grains/m³
🌿 Common Ragweed	MED	11 grains/m³
🌿 Giant Ragweed	MED	11 grains/m³
🌾 Timothy Grass	MED	11 grains/m³
+35 more tracked Cock's-foot Perennial Ryegrass Russian Thistle Fat Hen Stinging Nettle Pigweed Ribwort Plantain Common Sorrel Western Ragweed Sagebrush Box Elder Alder Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Field Elm All species in the app: Android iOS

Last updated: 15:30 UTC

4-Day Forecast	Tree	Grass	Weed
Tue 1 Sep	LOW	MED	HIGH
Wed 2 Sep	LOW	MED	MED
Thu 3 Sep	LOW	MED	HIGH
Fri 4 Sep	LOW	MED	HIGH

Map of Halifax (53.759305°, -1.866913°)

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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