HIGH

5 active species

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4-Day Forecast:

Morning

Grass LOW

Tree LOW

Weed LOW

Afternoon

Grass LOW

Tree HIGH

Weed LOW

Evening

Grass LOW

Tree HIGH

Weed LOW

Species	Level	Count
🌳 Paper Birch	HIGH	86 grains/m³
🌳 Downy Birch	HIGH	78 grains/m³
🌳 Silver Birch	MED	38 grains/m³
🌳 English Oak	MED	36 grains/m³
🌳 White Oak	LOW	3 grains/m³
+35 more tracked Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Black Poplar Mesquite Holm Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌳 Paper Birch	V.HI	186 grains/m³
🌳 Downy Birch	V.HI	169 grains/m³
🌳 Silver Birch	HIGH	84 grains/m³
🌳 English Oak	HIGH	78 grains/m³
🌳 White Oak	LOW	6 grains/m³
+35 more tracked Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Black Poplar Mesquite Holm Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌳 Paper Birch	X.HI	255 grains/m³
🌳 Downy Birch	X.HI	232 grains/m³
🌳 Silver Birch	V.HI	115 grains/m³
🌳 English Oak	V.HI	106 grains/m³
🌳 White Oak	LOW	8 grains/m³
+35 more tracked Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Black Poplar Mesquite Holm Oak Common Sorrel Russian Thistle Field Elm Stinging Nettle All species in the app: Android iOS
🌳 Paper Birch	X.HI	286 grains/m³
🌳 Downy Birch	X.HI	260 grains/m³
🌳 Silver Birch	V.HI	129 grains/m³
🌳 English Oak	V.HI	119 grains/m³
🌳 White Oak	MED	10 grains/m³
+35 more tracked Box Elder Alder Pigweed Common Ragweed Western Ragweed Giant Ragweed Sagebrush Mugwort Australian Pine Japanese Cypress Fat Hen Hazel Japanese Cedar Mediterranean Cypress Bermuda Grass Cock's-foot Ash Mountain Cedar Perennial Ryegrass White Mulberry Olive Pellitory-of-the-wall Upright Pellitory Parthenium Weed Timothy Grass Ribwort Plantain London Plane Grass (mixed) Black Poplar Mesquite Holm 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	HIGH	LOW	LOW
Thu 21 May	V.HI	LOW	LOW
Fri 22 May	X.HI	LOW	LOW
Sat 23 May	X.HI	LOW	LOW

Map of Calgary (51.0447°, -114.0719°)

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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