Name: Pollen forecast for Plymouth (2026-10-17)
Creator: Pollen Count
Published: 2026-10-17T14:18:27Z
License: https://pollencount.org/terms/

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About Pollen in Plymouth

Plymouth’s spring (March-May) sees dominant tree pollen: Birch, prevalent in Central Park and streetscapes; Oak, widespread across Saltram Estate and Plym Valley woodlands. Summer (May-July) brings high Grass pollen from urban green spaces, roadside verges, and the extensive Plym and Tamar river valleys.

The city’s topography and coastal winds modulate pollen exposure; urban canyons and sheltered areas can concentrate allergens despite periodic sea breeze dispersion. Autumn (August-November) exhibits elevated Mould spore levels, fostered by Plymouth’s prevalent damp conditions and decaying leaf litter in parks and wooded fringes.

The pollen count in Plymouth today is moderate, driven mainly by Mugwort.

MED

12 active species

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4-Day Forecast:

Morning

Grass MED

Tree LOW

Weed MED

Afternoon

Grass MED

Tree LOW

Weed MED

Evening

Grass MED

Tree LOW

Weed HIGH

Species	Level	Count
🌿 Mugwort	MED	10 grains/m³
🌾 Cock's-foot	MED	6 grains/m³
🌾 Perennial Ryegrass	MED	6 grains/m³
🌾 Timothy Grass	MED	6 grains/m³
🌾 Grass (mixed)	MED	6 grains/m³
+35 more tracked Pigweed Western Ragweed Fat Hen Ribwort Plantain Russian Thistle Stinging Nettle Common Sorrel Box Elder Alder Common Ragweed Giant Ragweed Sagebrush 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	8 grains/m³
🌾 Perennial Ryegrass	MED	5 grains/m³
🌾 Grass (mixed)	MED	5 grains/m³
🌾 Cock's-foot	LOW	4 grains/m³
🌾 Timothy Grass	LOW	4 grains/m³
+35 more tracked Western Ragweed Russian Thistle Stinging Nettle Pigweed Fat Hen Ribwort Plantain Common Sorrel Box Elder Alder Common Ragweed Giant Ragweed Sagebrush 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	11 grains/m³
🌿 Western Ragweed	LOW	4 grains/m³
🌾 Cock's-foot	LOW	4 grains/m³
🌾 Perennial Ryegrass	LOW	4 grains/m³
🌾 Timothy Grass	LOW	4 grains/m³
+35 more tracked Grass (mixed) Stinging Nettle Pigweed Fat Hen Ribwort Plantain Russian Thistle Common Sorrel Box Elder Alder Common Ragweed Giant Ragweed Sagebrush 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
🌾 Cock's-foot	MED	7 grains/m³
🌾 Perennial Ryegrass	MED	7 grains/m³
🌾 Timothy Grass	MED	7 grains/m³
🌾 Grass (mixed)	MED	7 grains/m³
+35 more tracked Stinging Nettle Pigweed Western Ragweed Fat Hen Ribwort Plantain Russian Thistle Common Sorrel Box Elder Alder Common Ragweed Giant Ragweed Sagebrush 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	LOW	MED
Tue 20 Oct	LOW	MED	MED

Map of Plymouth (50.388732°, -4.142787°)

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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