Name: Pollen forecast for Southampton (2026-10-17)
Creator: Pollen Count
Published: 2026-10-17T14:18:29Z
License: https://pollencount.org/terms/

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About Pollen in Southampton

Southampton’s allergy profile sees peak Birch and Oak pollen March-May, originating from mature trees across Southampton Common and urban parkland; late-May through July brings high grass pollen from River Itchen/Test floodplains and Eastleigh’s surrounding meadows. Coastal proximity and urban density can concentrate airborne allergens, intensifying local pollen counts; autumn (September-November) introduces elevated mould spores from decaying leaf litter in damp parkland and humid riverine environments.

The pollen count in Southampton today is moderate, driven mainly by Grass (mixed).

MED

13 active species

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4-Day Forecast:

Morning

Grass MED

Tree LOW

Weed LOW

Afternoon

Grass MED

Tree LOW

Weed MED

Evening

Grass LOW

Tree LOW

Weed MED

Species	Level	Count
🌾 Grass (mixed)	MED	8 grains/m³
🌾 Cock's-foot	MED	7 grains/m³
🌾 Perennial Ryegrass	MED	7 grains/m³
🌾 Timothy Grass	MED	7 grains/m³
🌿 Mugwort	MED	6 grains/m³
+35 more tracked Western Ragweed Fat Hen Russian Thistle Stinging Nettle Pigweed Ribwort Plantain Common Sorrel Sagebrush Box Elder Alder Common Ragweed Giant Ragweed 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	6 grains/m³
🌾 Cock's-foot	MED	5 grains/m³
🌾 Perennial Ryegrass	MED	5 grains/m³
🌾 Timothy Grass	MED	5 grains/m³
🌾 Grass (mixed)	MED	5 grains/m³
+35 more tracked Western Ragweed Russian Thistle Stinging Nettle Pigweed Fat Hen Ribwort Plantain Common Sorrel Sagebrush Box Elder Alder Common Ragweed Giant Ragweed 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	15 grains/m³
🌾 Perennial Ryegrass	MED	8 grains/m³
🌾 Timothy Grass	MED	8 grains/m³
🌾 Grass (mixed)	MED	8 grains/m³
🌿 Western Ragweed	MED	7 grains/m³
+35 more tracked Cock's-foot Russian Thistle Stinging Nettle Pigweed Fat Hen Ribwort Plantain Common Sorrel Sagebrush Box Elder Alder Common Ragweed Giant Ragweed 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	10 grains/m³
🌿 Western Ragweed	MED	5 grains/m³
🌾 Perennial Ryegrass	MED	5 grains/m³
🌾 Timothy Grass	MED	5 grains/m³
🌾 Grass (mixed)	MED	5 grains/m³
+35 more tracked Russian Thistle Stinging Nettle Pigweed Fat Hen Cock's-foot Ribwort Plantain Common Sorrel Sagebrush Box Elder Alder Common Ragweed Giant Ragweed 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: 14:18 UTC

4-Day Forecast	Tree	Grass	Weed
Sat 17 Oct	LOW	MED	MED
Sun 18 Oct	LOW	MED	MED
Mon 19 Oct	LOW	MED	HIGH
Tue 20 Oct	LOW	MED	MED

Map of Southampton (50.95073°, -1.357649°)

More in United Kingdom

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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