Name: Pollen forecast for Chiang Mai (2026-10-16)
Creator: Pollen Count
Published: 2026-10-16T15:26:46Z
License: https://pollencount.org/terms/

The pollen count in Chiang Mai today is extremely high, driven mainly by Parthenium Weed.

X.HI

5 active species

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4-Day Forecast:

Morning

Grass MED

Tree V.HI

Weed MED

Afternoon

Grass HIGH

Tree MED

Weed X.HI

Evening

Grass MED

Tree MED

Weed X.HI

Species	Level	Count
🌿 Parthenium Weed	X.HI	84 grains/m³
🌾 Grass (mixed)	HIGH	34 grains/m³
🌳 Australian Pine	MED	16 grains/m³
🌾 Bermuda Grass	MED	13 grains/m³
🌳 Mesquite	MED	13 grains/m³
+35 more tracked Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Timothy Grass Ribwort Plantain London Plane Black Poplar White Oak Holm Oak English Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌿 Parthenium Weed	V.HI	30 grains/m³
🌾 Grass (mixed)	MED	12 grains/m³
🌳 Australian Pine	LOW	5 grains/m³
🌾 Bermuda Grass	MED	5 grains/m³
🌳 Mesquite	LOW	4 grains/m³
+35 more tracked Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Timothy Grass Ribwort Plantain London Plane Black Poplar White Oak Holm Oak English Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌿 Parthenium Weed	V.HI	30 grains/m³
🌾 Grass (mixed)	MED	11 grains/m³
🌳 Australian Pine	LOW	5 grains/m³
🌳 Mesquite	LOW	5 grains/m³
🌾 Bermuda Grass	LOW	4 grains/m³
+35 more tracked Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Timothy Grass Ribwort Plantain London Plane Black Poplar White Oak Holm Oak English Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌿 Parthenium Weed	V.HI	43 grains/m³
🌾 Grass (mixed)	MED	17 grains/m³
🌳 Australian Pine	LOW	8 grains/m³
🌾 Bermuda Grass	MED	6 grains/m³
🌳 Mesquite	LOW	6 grains/m³
+35 more tracked Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Timothy Grass Ribwort Plantain London Plane Black Poplar White Oak Holm Oak English Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS

Last updated: 15:26 UTC

4-Day Forecast	Tree	Grass	Weed
Fri 16 Oct	MED	HIGH	X.HI
Sat 17 Oct	LOW	MED	V.HI
Sun 18 Oct	LOW	MED	V.HI
Mon 19 Oct	LOW	MED	V.HI

Map of Chiang Mai (18.7883°, 98.9853°)

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Bangkok Phuket

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