HIGH

6 active species

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4-Day Forecast:

Morning

Grass MED

Tree LOW

Weed MED

Afternoon

Grass MED

Tree LOW

Weed HIGH

Evening

Grass LOW

Tree LOW

Weed MED

Species	Level	Count
🌿 Parthenium Weed	HIGH	16 grains/m³
🌾 Grass (mixed)	MED	8 grains/m³
🌾 Bermuda Grass	MED	6 grains/m³
🌿 Fat Hen	LOW	4 grains/m³
🌿 Ribwort Plantain	LOW	4 grains/m³
+35 more tracked Cock's-foot Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Timothy Grass London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌿 Parthenium Weed	MED	7 grains/m³
🌾 Grass (mixed)	LOW	3 grains/m³
🌿 Fat Hen	LOW	2 grains/m³
🌾 Bermuda Grass	LOW	2 grains/m³
🌿 Ribwort Plantain	LOW	2 grains/m³
+35 more tracked Cock's-foot Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Timothy Grass London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌿 Parthenium Weed	HIGH	20 grains/m³
🌾 Grass (mixed)	MED	15 grains/m³
🌾 Bermuda Grass	MED	10 grains/m³
🌿 Fat Hen	MED	5 grains/m³
🌿 Ribwort Plantain	LOW	4 grains/m³
+35 more tracked Cock's-foot Perennial Ryegrass Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Timothy Grass London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌿 Parthenium Weed	HIGH	22 grains/m³
🌾 Grass (mixed)	MED	16 grains/m³
🌾 Bermuda Grass	MED	11 grains/m³
🌿 Fat Hen	MED	6 grains/m³
🌿 Ribwort Plantain	MED	5 grains/m³
+35 more tracked Cock's-foot Perennial Ryegrass Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Paper Birch Silver Birch Downy Birch Australian Pine Japanese Cypress Hazel Japanese Cedar Mediterranean Cypress Ash Mountain Cedar White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Timothy Grass London Plane Black Poplar Mesquite White Oak Holm Oak English Oak Common Sorrel Russian Thistle 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	HIGH
Thu 21 May	LOW	LOW	MED
Fri 22 May	LOW	MED	HIGH
Sat 23 May	LOW	MED	HIGH

Map of Rio de Janeiro (-22.9068°, -43.1729°)

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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