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About Pollen in Stockton-on-Tees

Stockton-on-Tees experiences dominant spring tree pollen from late March through May, primarily Birch and Oak originating from Ropner Park, Preston Park, and wider urban green spaces; subsequently, high grass pollen levels characterise May to July, prevalent along the River Tees’ extensive banks and numerous playing fields. The Tees Valley’s urbanisation can concentrate pollen, with elevated levels often persisting within the built environment; late-season mould spores are significant from late August through November, stemming from decomposing leaf litter in parks and damp, shaded urban fringes.

HIGH

10 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
🌳 Ash	HIGH	68 grains/m³
🌳 Silver Birch	HIGH	54 grains/m³
🌳 Field Elm	HIGH	54 grains/m³
🌳 Black Poplar	MED	35 grains/m³
🌳 Box Elder	MED	34 grains/m³
+35 more tracked Alder Downy Birch Paper Birch English Oak White Oak 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 London Plane Grass (mixed) Mesquite Holm Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Ash	HIGH	72 grains/m³
🌳 Silver Birch	HIGH	58 grains/m³
🌳 Field Elm	HIGH	57 grains/m³
🌳 Black Poplar	MED	37 grains/m³
🌳 Box Elder	MED	36 grains/m³
+35 more tracked Alder Downy Birch Paper Birch English Oak White Oak 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 London Plane Grass (mixed) Mesquite Holm Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Ash	HIGH	64 grains/m³
🌳 Silver Birch	HIGH	51 grains/m³
🌳 Field Elm	HIGH	51 grains/m³
🌳 Black Poplar	MED	33 grains/m³
🌳 Box Elder	MED	32 grains/m³
+35 more tracked Alder Downy Birch Paper Birch English Oak White Oak 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 London Plane Grass (mixed) Mesquite Holm Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS
🌳 Ash	HIGH	87 grains/m³
🌳 Silver Birch	HIGH	69 grains/m³
🌳 Field Elm	HIGH	69 grains/m³
🌳 Black Poplar	MED	45 grains/m³
🌳 Box Elder	MED	44 grains/m³
+35 more tracked Alder Downy Birch Paper Birch English Oak White Oak 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 London Plane Grass (mixed) Mesquite Holm Oak Common Sorrel Russian Thistle Stinging Nettle All species in the app: Android iOS

Last updated: 14:03 UTC

4-Day Forecast	Tree	Grass	Weed
Wed 20 May	HIGH	LOW	LOW
Thu 21 May	HIGH	LOW	LOW
Fri 22 May	HIGH	LOW	LOW
Sat 23 May	HIGH	LOW	LOW

Map of Stockton-on-Tees (54.571883°, -1.330352°)

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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