Name: Pollen forecast for Stevenage (2026-10-17)
Creator: Pollen Count
Published: 2026-10-17T14:18:30Z
License: https://pollencount.org/terms/

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About Pollen in Stevenage

Stevenage experiences peak spring allergen load (March-May) from Birch and Oak pollen, originating from extensive urban parkland (e.g., Fairlands Valley Park) and tree-lined residential avenues; summer (May-July) is dominated by Grass pollen, prevalent across local meadows, playing fields, and riverbank areas.

The town’s green belt proximity and sheltered urban design can concentrate airborne pollen levels; late-season (September-November) sees elevated Mould spore counts, primarily from decaying autumn foliage in damp, shaded environments.

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

MED

13 active species

Refreshing live forecast…

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4-Day Forecast:

Morning

Grass LOW

Tree LOW

Weed LOW

Afternoon

Grass LOW

Tree LOW

Weed MED

Evening

Grass LOW

Tree LOW

Weed MED

Species	Level	Count
🌿 Mugwort	MED	5 grains/m³
🌿 Sagebrush	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) Western Ragweed Stinging Nettle Pigweed Fat Hen Ribwort Plantain Common Sorrel Russian Thistle Box Elder Alder Common Ragweed Giant Ragweed 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	6 grains/m³
🌿 Sagebrush	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) Western Ragweed Stinging Nettle Pigweed Fat Hen Ribwort Plantain Common Sorrel Russian Thistle Box Elder Alder Common Ragweed Giant Ragweed 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
🌿 Sagebrush	MED	6 grains/m³
🌿 Western Ragweed	MED	5 grains/m³
🌾 Cock's-foot	MED	5 grains/m³
🌾 Perennial Ryegrass	MED	5 grains/m³
+35 more tracked Timothy Grass Grass (mixed) Stinging Nettle Pigweed Fat Hen Ribwort Plantain Russian Thistle Common Sorrel Box Elder Alder Common Ragweed Giant Ragweed 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
🌿 Western Ragweed	MED	5 grains/m³
🌿 Sagebrush	MED	5 grains/m³
🌿 Stinging Nettle	LOW	4 grains/m³
🌿 Pigweed	LOW	3 grains/m³
+35 more tracked Fat Hen Ribwort Plantain Russian Thistle Cock's-foot Perennial Ryegrass Timothy Grass Grass (mixed) Common Sorrel Box Elder Alder Common Ragweed Giant Ragweed 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	LOW	MED
Sun 18 Oct	LOW	LOW	MED
Mon 19 Oct	LOW	MED	MED
Tue 20 Oct	LOW	LOW	MED

Map of Stevenage (51.900196°, -0.155543°)

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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