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About Pollen in Barnsley

Barnsley’s spring allergen profile peaks March-April with Alder and Hazel; April-May, Birch and Oak pollen from extensive woodlands at Locke Park and Wentworth Castle Gardens dominates, circulating throughout the urban area. Summer (May-July) transitions to significant grass pollen from the River Dearne floodplains and surrounding agricultural meadows.

The town’s valley topography, influenced by the Pennine foothills, can trap and concentrate airborne pollen loads. Autumn sees increased mould spores, particularly from damp conditions in local parks and near Worsbrough Reservoir, associated with decomposing organic matter.

HIGH

11 active species

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4-Day Forecast:

Morning

Grass LOW

Tree V.HI

Weed LOW

Afternoon

Grass LOW

Tree HIGH

Weed LOW

Evening

Grass LOW

Tree MED

Weed LOW

Species	Level	Count
🌳 Silver Birch	HIGH	65 grains/m³
🌳 Ash	HIGH	56 grains/m³
🌳 Downy Birch	MED	41 grains/m³
🌳 Box Elder	MED	37 grains/m³
🌳 Black Poplar	MED	37 grains/m³
+35 more tracked Paper Birch Field Elm English Oak White Oak Holm Oak 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 London Plane Grass (mixed) Mesquite Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Silver Birch	HIGH	95 grains/m³
🌳 Ash	HIGH	81 grains/m³
🌳 Downy Birch	HIGH	59 grains/m³
🌳 Black Poplar	HIGH	54 grains/m³
🌳 Box Elder	HIGH	53 grains/m³
+35 more tracked Paper Birch Field Elm English Oak White Oak Holm Oak 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 London Plane Grass (mixed) Mesquite Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Silver Birch	HIGH	73 grains/m³
🌳 Ash	HIGH	62 grains/m³
🌳 Downy Birch	MED	46 grains/m³
🌳 Black Poplar	MED	42 grains/m³
🌳 Box Elder	MED	41 grains/m³
+35 more tracked Paper Birch Field Elm English Oak White Oak Holm Oak 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 London Plane Grass (mixed) Mesquite Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Silver Birch	MED	43 grains/m³
🌳 Ash	MED	37 grains/m³
🌳 Downy Birch	MED	27 grains/m³
🌳 Black Poplar	MED	25 grains/m³
🌳 Box Elder	MED	24 grains/m³
+35 more tracked Paper Birch Field Elm English Oak White Oak Holm Oak 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 London Plane Grass (mixed) Mesquite Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS

Last updated: 14:02 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 Barnsley (53.550665°, -1.478569°)

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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