HIGH

12 active species

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4-Day Forecast:

Morning

Grass LOW

Tree LOW

Weed LOW

Afternoon

Grass HIGH

Tree LOW

Weed HIGH

Evening

Grass HIGH

Tree LOW

Weed X.HI

Species	Level	Count
🌾 Grass (mixed)	HIGH	24 grains/m³
🌿 Sagebrush	HIGH	20 grains/m³
🌾 Bermuda Grass	MED	12 grains/m³
🌿 Russian Thistle	MED	10 grains/m³
🌿 Parthenium Weed	MED	8 grains/m³
+35 more tracked Pellitory-of-the-wall Pigweed Fat Hen Mugwort Cock's-foot Timothy Grass Ribwort Plantain Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Upright Pellitory London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Field Elm Stinging Nettle All species in the app: Android iOS
🌾 Grass (mixed)	HIGH	22 grains/m³
🌿 Sagebrush	HIGH	18 grains/m³
🌾 Bermuda Grass	MED	11 grains/m³
🌿 Russian Thistle	MED	9 grains/m³
🌿 Parthenium Weed	MED	7 grains/m³
+35 more tracked Pellitory-of-the-wall Pigweed Mugwort Fat Hen Cock's-foot Timothy Grass Ribwort Plantain Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Upright Pellitory London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Field Elm Stinging Nettle All species in the app: Android iOS
🌾 Grass (mixed)	MED	14 grains/m³
🌿 Sagebrush	MED	13 grains/m³
🌾 Bermuda Grass	MED	7 grains/m³
🌿 Russian Thistle	MED	6 grains/m³
🌿 Parthenium Weed	MED	5 grains/m³
+35 more tracked Pellitory-of-the-wall Pigweed Fat Hen Cock's-foot Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Upright Pellitory Timothy Grass Ribwort Plantain London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Field Elm Stinging Nettle All species in the app: Android iOS
🌾 Grass (mixed)	MED	13 grains/m³
🌿 Sagebrush	MED	12 grains/m³
🌾 Bermuda Grass	MED	6 grains/m³
🌿 Russian Thistle	MED	6 grains/m³
🌿 Parthenium Weed	MED	5 grains/m³
+35 more tracked Pellitory-of-the-wall Pigweed Fat Hen Cock's-foot Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Upright Pellitory Timothy Grass Ribwort Plantain London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Field Elm Stinging Nettle All species in the app: Android iOS

Last updated: 14:03 UTC

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

Map of San Diego (32.7157°, -117.1611°)

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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