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About Pollen in Worthing

Worthing experiences peak March-May arboreal pollen from Birch and Oak, originating in urban green spaces including Beach House Park and Highdown Gardens. May-July brings dominant Poaceae (grass) pollen, prevalent across Adur Estuary meadows and Cissbury Ring slopes. Coastal breezes offer some pollen dispersion; however, the South Downs to the north can create inland allergen traps. Late autumn signals increased mould spore counts, particularly from damp, decaying vegetation in areas like Tarring Park.

MED

13 active species

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4-Day Forecast:

Morning

Grass MED

Tree HIGH

Weed LOW

Afternoon

Grass MED

Tree MED

Weed MED

Evening

Grass LOW

Tree LOW

Weed LOW

Species	Level	Count
🌳 Holm Oak	MED	26 grains/m³
🌳 London Plane	MED	12 grains/m³
🌳 White Oak	MED	11 grains/m³
🌿 Ribwort Plantain	MED	6 grains/m³
🌾 Perennial Ryegrass	MED	5 grains/m³
+35 more tracked Stinging Nettle Pigweed Cock's-foot Common Sorrel Fat Hen Grass (mixed) Timothy Grass Russian Thistle Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort 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 Black Poplar Mesquite English Oak Field Elm All species in the app: Android iOS
🌳 Holm Oak	V.HI	130 grains/m³
🌳 London Plane	HIGH	62 grains/m³
🌳 White Oak	HIGH	54 grains/m³
🌾 Perennial Ryegrass	HIGH	24 grains/m³
🌿 Ribwort Plantain	HIGH	22 grains/m³
+35 more tracked Cock's-foot Stinging Nettle Common Sorrel Grass (mixed) Pigweed Fat Hen Timothy Grass Russian Thistle Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort 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 Black Poplar Mesquite English Oak Field Elm All species in the app: Android iOS
🌳 Holm Oak	V.HI	103 grains/m³
🌳 London Plane	MED	49 grains/m³
🌳 White Oak	MED	43 grains/m³
🌿 Ribwort Plantain	HIGH	26 grains/m³
🌿 Stinging Nettle	HIGH	21 grains/m³
+35 more tracked Perennial Ryegrass Common Sorrel Pigweed Cock's-foot Fat Hen Grass (mixed) Timothy Grass Russian Thistle Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort 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 Black Poplar Mesquite English Oak Field Elm All species in the app: Android iOS
🌳 Holm Oak	V.HI	127 grains/m³
🌳 London Plane	HIGH	60 grains/m³
🌳 White Oak	HIGH	53 grains/m³
🌾 Perennial Ryegrass	HIGH	28 grains/m³
🌿 Ribwort Plantain	HIGH	28 grains/m³
+35 more tracked Stinging Nettle Common Sorrel Cock's-foot Pigweed Grass (mixed) Fat Hen Timothy Grass Russian Thistle Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort 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 Black Poplar Mesquite English Oak Field Elm All species in the app: Android iOS

Last updated: 14:03 UTC

4-Day Forecast	Tree	Grass	Weed
Wed 20 May	MED	MED	MED
Thu 21 May	V.HI	HIGH	HIGH
Fri 22 May	V.HI	MED	HIGH
Sat 23 May	V.HI	HIGH	HIGH

Map of Worthing (50.827828°, -0.355175°)

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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