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About Pollen in Luton

Luton’s allergy season commences late March with high Birch pollen from Wardown Park and street trees, peaking April; Oak pollen follows through April-May from Stockwood Park and surrounding woodlands; Grass pollen dominates May-July, peaking June, originating from River Lea floodplains and urban green spaces like Leagrave Park.

The Lea Valley topography often traps pollen, exacerbating symptoms; Autumn sees increased mould spore levels (October-November) from damp leaf litter decomposition in parks and shaded urban areas.

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	54 grains/m³
🌳 Downy Birch	MED	37 grains/m³
🌳 Ash	MED	29 grains/m³
🌳 Paper Birch	MED	28 grains/m³
🌳 Black Poplar	MED	23 grains/m³
+35 more tracked Box Elder English Oak Field Elm Holm Oak White 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	104 grains/m³
🌳 Downy Birch	HIGH	70 grains/m³
🌳 Ash	HIGH	55 grains/m³
🌳 Paper Birch	HIGH	54 grains/m³
🌳 Black Poplar	MED	43 grains/m³
+35 more tracked Box Elder English Oak Field Elm Holm Oak White 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	HIGH	85 grains/m³
🌳 Downy Birch	HIGH	58 grains/m³
🌳 Ash	MED	45 grains/m³
🌳 Paper Birch	MED	44 grains/m³
🌳 Black Poplar	MED	36 grains/m³
+35 more tracked Box Elder English Oak Field Elm 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	HIGH	79 grains/m³
🌳 Downy Birch	HIGH	53 grains/m³
🌳 Ash	MED	42 grains/m³
🌳 Paper Birch	MED	41 grains/m³
🌳 Black Poplar	MED	33 grains/m³
+35 more tracked Box Elder English Oak Field Elm Holm Oak White 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	HIGH	LOW	LOW
Sat 23 May	HIGH	LOW	LOW

Map of Luton (51.891961°, -0.502701°)

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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