MED

7 active species

Refreshing live forecast…

.forecast-refresh-status{display:none!important}.date-tab{cursor:default;opacity:.55}Showing today's cached forecast. Enable JavaScript to switch days and load live data.

4-Day Forecast:

Morning

Grass LOW

Tree LOW

Weed LOW

Afternoon

Grass MED

Tree LOW

Weed MED

Evening

Grass MED

Tree LOW

Weed MED

Species	Level	Count
🌾 Grass (mixed)	MED	9 grains/m³
🌾 Bermuda Grass	MED	6 grains/m³
🌿 Parthenium Weed	MED	5 grains/m³
🌿 Sagebrush	LOW	2 grains/m³
🌿 Pellitory-of-the-wall	LOW	2 grains/m³
+35 more tracked Russian Thistle Pigweed Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot 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	14 grains/m³
🌾 Bermuda Grass	MED	10 grains/m³
🌿 Parthenium Weed	MED	6 grains/m³
🌿 Sagebrush	LOW	2 grains/m³
🌿 Pellitory-of-the-wall	LOW	2 grains/m³
+35 more tracked Russian Thistle Pigweed Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot 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	15 grains/m³
🌾 Bermuda Grass	MED	11 grains/m³
🌿 Parthenium Weed	MED	7 grains/m³
🌿 Sagebrush	LOW	3 grains/m³
🌿 Russian Thistle	LOW	3 grains/m³
+35 more tracked Pellitory-of-the-wall Pigweed Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot 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	10 grains/m³
🌾 Bermuda Grass	MED	7 grains/m³
🌿 Parthenium Weed	MED	5 grains/m³
🌿 Sagebrush	LOW	2 grains/m³
🌿 Pellitory-of-the-wall	LOW	2 grains/m³
+35 more tracked Russian Thistle Pigweed Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Cock's-foot 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	MED	MED
Thu 21 May	LOW	MED	MED
Fri 22 May	LOW	MED	MED
Sat 23 May	LOW	MED	MED

Map of Tucson (32.2226°, -110.9747°)

More in United States

Atlanta Austin Baltimore Boston Buffalo Charlotte

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