HIGH

15 active species

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4-Day Forecast:

Morning

Grass LOW

Tree V.HI

Weed MED

Afternoon

Grass LOW

Tree HIGH

Weed MED

Evening

Grass LOW

Tree MED

Weed MED

Species	Level	Count
🌳 Holm Oak	HIGH	77 grains/m³
🌳 English Oak	HIGH	77 grains/m³
🌳 White Oak	HIGH	74 grains/m³
🌳 Japanese Cypress	HIGH	71 grains/m³
🌳 London Plane	HIGH	68 grains/m³
+35 more tracked White Mulberry Olive Paper Birch Downy Birch Pellitory-of-the-wall Upright Pellitory Perennial Ryegrass Ribwort Plantain Cock's-foot Common Sorrel Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Silver Birch Australian Pine Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar Parthenium Weed Timothy Grass Grass (mixed) Black Poplar Mesquite Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌳 Holm Oak	HIGH	98 grains/m³
🌳 English Oak	HIGH	98 grains/m³
🌳 White Oak	HIGH	94 grains/m³
🌳 Japanese Cypress	HIGH	90 grains/m³
🌳 London Plane	HIGH	87 grains/m³
+35 more tracked White Mulberry Olive Paper Birch Downy Birch Pellitory-of-the-wall Upright Pellitory Perennial Ryegrass Ribwort Plantain Cock's-foot Common Sorrel Grass (mixed) Stinging Nettle Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Silver Birch Australian Pine Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar Parthenium Weed Timothy Grass Black Poplar Mesquite Russian Thistle Field Elm All species in the app: Android iOS
🌳 Holm Oak	HIGH	89 grains/m³
🌳 English Oak	HIGH	89 grains/m³
🌳 White Oak	HIGH	85 grains/m³
🌳 Japanese Cypress	HIGH	81 grains/m³
🌳 London Plane	HIGH	79 grains/m³
+35 more tracked White Mulberry Olive Paper Birch Downy Birch Pellitory-of-the-wall Upright Pellitory Perennial Ryegrass Ribwort Plantain Cock's-foot Common Sorrel Pigweed Grass (mixed) Stinging Nettle Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Silver Birch Australian Pine Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar Parthenium Weed Timothy Grass Black Poplar Mesquite Russian Thistle Field Elm All species in the app: Android iOS
🌳 Holm Oak	HIGH	79 grains/m³
🌳 English Oak	HIGH	79 grains/m³
🌳 White Oak	HIGH	76 grains/m³
🌳 Japanese Cypress	HIGH	72 grains/m³
🌳 London Plane	HIGH	70 grains/m³
+35 more tracked White Mulberry Olive Paper Birch Downy Birch Pellitory-of-the-wall Upright Pellitory Perennial Ryegrass Ribwort Plantain Cock's-foot Common Sorrel Pigweed Grass (mixed) Stinging Nettle Box Elder Alder Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Silver Birch Australian Pine Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Ash Mountain Cedar Parthenium Weed Timothy Grass Black Poplar Mesquite Russian Thistle Field Elm All species in the app: Android iOS

Last updated: 14:03 UTC

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

Map of Rennes (48.1173°, -1.6778°)

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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