Find Your Colorado City
Colorado's high altitude and dry climate create unique allergy challenges. The state experiences intense spring pollen seasons from trees, followed by summer grass pollen and fall ragweed. Denver's Front Range traps allergens against the mountains, while rapid weather changes can trigger sinus symptoms.
35 cities covered across Colorado - Find your community and discover effective sinus relief solutions.
Major Colorado Cities (13 cities)
Denver
Pop: 716,492
Colorado Springs
Pop: 492,529
Aurora
Pop: 395,186
Fort Collins
Pop: 177,006
Lakewood
Pop: 156,798
Thornton
Pop: 149,070
Arvada
Pop: 125,280
Westminster
Pop: 116,317
Pueblo
Pop: 113,166
Greeley
Pop: 113,006
Centennial
Pop: 109,526
Boulder
Pop: 108,250
Longmont
Pop: 102,200
Large Colorado Cities (6 cities)
Growing Colorado Communities (16 cities)
Littleton
Pop: 48,000
Brighton
Pop: 42,000
Northglenn
Pop: 39,000
Englewood
Pop: 35,000
Windsor
Pop: 33,000
Erie
Pop: 33,000
Wheat Ridge
Pop: 32,000
Fountain
Pop: 32,000
Lafayette
Pop: 31,000
Evans
Pop: 23,000
Golden
Pop: 21,000
Louisville
Pop: 21,000
Montrose
Pop: 21,000
Johnstown
Pop: 21,000
Durango
Pop: 20,000
Firestone
Pop: 20,000