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About Pollen in Aylesbury

Aylesbury’s seasonal allergy profile begins March-April with Birch pollen, dominating Vale Park and urban green spaces; Oak and Plane trees follow April-May from surrounding woodlands and town centre avenues. Grass pollen peaks intensely May-July, originating from expansive River Thame floodplains and local roadside verges.

The Thame valley’s natural topography can funnel and concentrate airborne allergens, particularly in warm, dry conditions. Late-season Mould spores intensify September-November, driven by damp leaf litter decomposition within parklands and shaded urban zones, persisting until first hard frosts.

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	90 grains/m³
🌳 Ash	HIGH	62 grains/m³
🌳 Downy Birch	HIGH	60 grains/m³
🌳 Black Poplar	MED	47 grains/m³
🌳 Box Elder	MED	46 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	137 grains/m³
🌳 Ash	HIGH	94 grains/m³
🌳 Downy Birch	HIGH	91 grains/m³
🌳 Black Poplar	HIGH	72 grains/m³
🌳 Box Elder	HIGH	70 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	90 grains/m³
🌳 Downy Birch	HIGH	88 grains/m³
🌳 Black Poplar	HIGH	69 grains/m³
🌳 Box Elder	HIGH	67 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	112 grains/m³
🌳 Ash	HIGH	77 grains/m³
🌳 Downy Birch	HIGH	75 grains/m³
🌳 Black Poplar	HIGH	58 grains/m³
🌳 Box Elder	HIGH	57 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: 14:02 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 Aylesbury (51.813781°, -0.81084°)

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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