HIGH

17 active species

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4-Day Forecast:

Morning

Grass MED

Tree X.HI

Weed MED

Afternoon

Grass MED

Tree HIGH

Weed MED

Evening

Grass LOW

Tree HIGH

Weed HIGH

Species	Level	Count
🌳 White Oak	HIGH	65 grains/m³
🌳 Holm Oak	HIGH	63 grains/m³
🌳 English Oak	HIGH	62 grains/m³
🌳 Japanese Cypress	HIGH	57 grains/m³
🌳 London Plane	HIGH	56 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
🌳 White Oak	V.HI	132 grains/m³
🌳 Holm Oak	V.HI	128 grains/m³
🌳 English Oak	V.HI	125 grains/m³
🌳 Japanese Cypress	V.HI	116 grains/m³
🌳 London Plane	V.HI	113 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) Pigweed 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
🌳 White Oak	HIGH	87 grains/m³
🌳 Holm Oak	HIGH	85 grains/m³
🌳 English Oak	HIGH	83 grains/m³
🌳 Japanese Cypress	HIGH	77 grains/m³
🌳 London Plane	HIGH	75 grains/m³
+35 more tracked White Mulberry Olive Paper Birch Pellitory-of-the-wall Downy Birch Upright Pellitory Perennial Ryegrass Ribwort Plantain Common Sorrel Cock's-foot Grass (mixed) Pigweed 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
🌳 White Oak	V.HI	100 grains/m³
🌳 Holm Oak	HIGH	97 grains/m³
🌳 English Oak	HIGH	95 grains/m³
🌳 Japanese Cypress	HIGH	88 grains/m³
🌳 London Plane	HIGH	86 grains/m³
+35 more tracked White Mulberry Olive Paper Birch Pellitory-of-the-wall Downy Birch Upright Pellitory Ribwort Plantain Perennial Ryegrass Common Sorrel Cock's-foot Grass (mixed) Stinging Nettle Pigweed 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	MED	MED
Thu 21 May	V.HI	MED	HIGH
Fri 22 May	HIGH	MED	HIGH
Sat 23 May	V.HI	MED	V.HI

Map of Lyon (45.764°, 4.8357°)

More in France

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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