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About Pollen in Worcester

Worcester’s spring allergy profile is dominated by Birch and Oak pollen, prevalent from late March to May across urban green spaces including Gheluvelt Park and surrounding Malvern Hills woodlands; May to July brings peak Grass pollen, originating from extensive riverside meadows bordering the River Severn and River Teme.

Local topography, particularly the Malvern Hills, influences pollen dispersal and trapping; autumn through winter sees elevated mould spore counts, driven by decaying leaf litter in parks and persistent damp along the River Severn’s banks.

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	98 grains/m³
🌳 Ash	HIGH	68 grains/m³
🌳 Downy Birch	HIGH	66 grains/m³
🌳 Black Poplar	HIGH	52 grains/m³
🌳 Box Elder	HIGH	51 grains/m³
+35 more tracked Paper Birch Field Elm English Oak White Oak Holm Oak London Plane 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	V.HI	138 grains/m³
🌳 Ash	HIGH	96 grains/m³
🌳 Downy Birch	HIGH	92 grains/m³
🌳 Black Poplar	HIGH	73 grains/m³
🌳 Box Elder	HIGH	71 grains/m³
+35 more tracked Paper Birch Field Elm English Oak White Oak Holm Oak London Plane 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	V.HI	109 grains/m³
🌳 Ash	HIGH	76 grains/m³
🌳 Downy Birch	HIGH	73 grains/m³
🌳 Black Poplar	HIGH	58 grains/m³
🌳 Box Elder	HIGH	56 grains/m³
+35 more tracked Paper Birch Field Elm English Oak White Oak Holm Oak London Plane 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	V.HI	132 grains/m³
🌳 Ash	HIGH	92 grains/m³
🌳 Downy Birch	HIGH	88 grains/m³
🌳 Black Poplar	HIGH	70 grains/m³
🌳 Box Elder	HIGH	68 grains/m³
+35 more tracked Paper Birch Field Elm English Oak White Oak Holm Oak London Plane 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	V.HI	LOW	LOW
Fri 22 May	V.HI	LOW	LOW
Sat 23 May	V.HI	LOW	LOW

Map of Worcester (52.18989°, -2.263842°)

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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