Denver Air Quality Unhealthy for Sensitive Groups
Denver Air Quality Unhealthy for Sensitive Groups
US · Published Oct 13, 2026
• Air quality in Denver, Colorado, has been classified as 'Unhealthy for Sensitive Groups' with an Air Quality Index (AQI) of 106 as of October 13,
• This level is primarily influenced by PM2.5 and ozone concentrations, reported by the Colorado Department of Public Health and Environment to the US EPA AirNow program. The data is preliminary and has not yet been validated. Sensitive groups, including individuals with heart or lung conditions, older adults, and children, are advised to take precautions. The urban exposure index indicates that approximately 464,518 people are within a 5 km radius of the affected area.

Impact & Risks

The current air quality conditions pose a minor impact tier, primarily affecting sensitive groups such as children, older adults, and individuals with pre-existing respiratory or cardiovascular conditions. Symptoms like coughing, breathlessness, and chest pain may occur, and outdoor physical activity should be reduced for these groups. While the severity is low, prolonged exposure could exacerbate health issues for vulnerable populations.

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