Name: Pollen forecast for York (2026-09-01)
Creator: Pollen Count
Published: 2026-09-01T15:30:48Z
License: https://pollencount.org/terms/

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About Pollen in York

York’s allergy profile commences March-April with Birch and Elm pollen, originating from urban green spaces like Rowntree Park and Museum Gardens; Oak pollen follows into May from city parklands. Grass pollen dominates May-July, primarily from Ouse/Foss riverbanks and open areas such as Knavesmire, exacerbated by dry, windy conditions.

York’s urban landscape, particularly its river valleys and built environment, can concentrate airborne allergens; prevailing south-westerly winds commonly disseminate pollen throughout the city. Late-season allergies (September-November) predominantly involve mould spores, stemming from damp leaf litter and decaying organic matter in parklands like St Nicholas Fields, intensified by autumn rainfall and high humidity.

The pollen count in York today is MED, driven mainly by Grass (mixed).

MED

15 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 LOW

Tree LOW

Weed MED

Species	Level	Count
🌾 Grass (mixed)	MED	16 grains/m³
🌾 Timothy Grass	MED	15 grains/m³
🌾 Cock's-foot	MED	12 grains/m³
🌾 Perennial Ryegrass	MED	12 grains/m³
🌿 Common Ragweed	MED	11 grains/m³
+35 more tracked Giant Ragweed Russian Thistle Stinging Nettle Sagebrush Fat Hen Pigweed Mugwort Ribwort Plantain Common Sorrel Western Ragweed Box Elder Alder 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
🌾 Grass (mixed)	MED	16 grains/m³
🌾 Timothy Grass	MED	15 grains/m³
🌿 Common Ragweed	MED	12 grains/m³
🌿 Giant Ragweed	MED	12 grains/m³
🌾 Cock's-foot	MED	12 grains/m³
+35 more tracked Perennial Ryegrass Russian Thistle Sagebrush Stinging Nettle Fat Hen Pigweed Mugwort Ribwort Plantain Common Sorrel Western Ragweed Box Elder Alder 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
🌾 Timothy Grass	MED	12 grains/m³
🌾 Grass (mixed)	MED	12 grains/m³
🌿 Common Ragweed	MED	10 grains/m³
🌿 Giant Ragweed	MED	10 grains/m³
🌾 Cock's-foot	MED	10 grains/m³
+35 more tracked Perennial Ryegrass Russian Thistle Sagebrush Fat Hen Stinging Nettle Pigweed Mugwort Ribwort Plantain Common Sorrel Western Ragweed Box Elder Alder 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
🌾 Timothy Grass	MED	12 grains/m³
🌾 Grass (mixed)	MED	12 grains/m³
🌾 Cock's-foot	MED	10 grains/m³
🌾 Perennial Ryegrass	MED	9 grains/m³
🌿 Common Ragweed	MED	7 grains/m³
+35 more tracked Giant Ragweed Sagebrush Russian Thistle Stinging Nettle Fat Hen Pigweed Mugwort Ribwort Plantain Common Sorrel Western Ragweed Box Elder Alder 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: 15:30 UTC

4-Day Forecast	Tree	Grass	Weed
Tue 1 Sep	LOW	MED	MED
Wed 2 Sep	LOW	MED	MED
Thu 3 Sep	LOW	MED	MED
Fri 4 Sep	LOW	MED	MED

Map of York (53.964932°, -1.074627°)

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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