Station Name: ARKANSAS RIVER AT PORTLAND, CO.
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 5,043 feet

Nearest Address:
State Hwy 120
Portland, CO 81226
Fremont County

GPS Coordinates: 38.38833418, -105.0160961

Nearby Water Temperatures

Air Quality Alert issued August 5 at 9:10AM MDT by NWS Pueblo CO

Effective: Wed August 5, 2026, 9:10 AM
Expires: Thu August 6, 2026, 9:00 AM

The Colorado Department of Public Health and Environment has issued the following... WHAT...Air Quality Health Advisory for Wildfire Smoke. WHERE...Moffat, Routt, Grand, Rio Blanco, Eagle, Summit, Garfield, Pitkin, Mesa, Delta, Gunnison, Montrose, Ouray, San Miguel, Dolores, Montezuma, La Plata, Saguache, San Juan, Hinsdale, Mineral, Archuleta, Jackson, Gilpin, Clear Creek, Elbert, Lake, Park, Teller, El Paso, Chaffee, Fremont, Pueblo, Custer, Huerfano, Rio Grande, Alamosa, Costilla and Conejos Counties. Locations include, but are not limited to Craig, Steamboat Springs, Granby, Hot Sulphur Springs, Kremmling, Meeker, Rangely, Eagle, Vail, Breckenridge, Glenwood Springs, Aspen, Grand Junction, Delta, Gunnison, Montrose, Nucla, Ouray, Telluride, Dove Creek, Cortez, Durango, Hermosa, Honeyville, Rockwood, Saguache, Silverton, Lake City, Creede, Pagosa Springs, Walden, Central City, Georgetown, Kiowa, Leadville, Fairplay, Cripple Creek, Colorado Springs, Buena Vista, Salida, Canon City, Pueblo, Westcliffe, Del Norte, South Fork, Alamosa, San Luis and Conejos. WHEN...900 AM Wednesday August 05 to 900 AM Thursday August 06 IMPACTS...Areas of moderate to heavy smoke, from in-state and out- of-state wildfires, will be possible across the advisory area through at least Thursday morning. HEALTH INFORMATION...If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and older adults. Consider limiting outdoor activity when moderate to heavy smoke is present. Consider relocating temporarily if smoke is present indoors and is making you ill. If visibility is less than 5 miles in smoke in your neighborhood, smoke has reached levels that are unhealthy.