Colorado air quality index (AQI) and PM2.5 air pollution

 (local time)
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Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
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Colorado air pollution by cities

Acres Green Air Force Academy Akron Alamosa Alamosa East Applewood Aristocrat Ranchettes Arvada Aspen Ault Aurora Avon Basalt Battlement Mesa Bayfield Bedrock Bennett Berkley Berthoud Black Forest Boulder Breckenridge Brighton Broomfield Brush Buena Vista Burlington Byers Campion Canon City Carbondale Carriage Club Cascade-Chipita Park Castle Pines Castle Pines North Castle Rock Castlewood Cedaredge Centennial Center Central City Cherry Creek Cherry Hills Village Cheyenne Wells Cimarron Hills Clifton Coal Creek Colorado City Colorado Springs Columbine Columbine Valley Commerce City Conejos Conifer Cortez Craig Creede Crested Butte Cripple Creek Dacono Del Norte Delta Denver Derby Dove Creek Dove Valley Durango Eads Eagle Eaton Edgewater Edwards El Jebel Elizabeth Ellicott Englewood Erie Estes Park Evans Evergreen Fairplay Federal Heights Firestone Florence Florissant Fort Carson Fort Collins Fort Lupton Fort Morgan Fountain Fowler Fraser Frederick Frisco Fruita Fruitvale Genesee Georgetown Gilcrest Gleneagle Glenwood Springs Golden Gothic Granby Grand Junction Greeley Greenwood Village Gunbarrel Gunnison Gypsum Hayden Highlands Ranch Holly Hills Holyoke Hot Sulphur Springs Hudson Hugo Idaho Springs Ignacio Indian Hills Inverness Johnstown Julesburg Keenesburg Ken Caryl Kersey Keystone Kiowa Kittredge Kremmling La Junta La Salle Lafayette Lake City Lakewood Lamar Laporte Las Animas Leadville Leadville North Limon Lincoln Park Littleton Loma Lone Tree Longmont Louisville Loveland Lyons Mancos Manitou Springs Mead Meeker Meridian Mesa Verde National Park Milliken Minturn Monte Vista Montrose Monument Morrison Mountain Village Nederland New Castle Niwot Northglenn Olathe Orchard City Orchard Mesa Ordway Ouray Pagosa Springs Palisade Palmer Lake Paonia Parachute Parker Penrose Perry Park Platteville Ponderosa Park Pueblo Pueblo West Rangely Redlands Rifle Rocky Ford Roxborough Park Saguache Salida San Luis Security-Widefield Severance Shaw Heights Sheridan Sherrelwood Silt Silverthorne Silverton Snowmass Village Southglenn Springfield Steamboat Springs Sterling Stonegate Strasburg Stratmoor Superior Telluride The Pinery Thornton Todd Creek Towaoc Trinidad Twin Lakes U.S. Air Force Academy Upper Bear Creek Vail Walden Walsenburg Watkins Welby Wellington West Pleasant View Westcliffe Westminster Wheat Ridge Woodmoor Wray Yuma

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