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Dust & Wildfire Smoke Threaten Arizona, Colorado
11 Jul
Summary
- Hazardous air quality alerts issued for Arizona and Colorado.
- PM-10 dust in Arizona, wildfire smoke in Colorado causes poor air.
- Vulnerable groups urged to limit outdoor exposure due to health risks.
Emergency air quality advisories have been issued for parts of Arizona and Colorado, with hazardous conditions anticipated to persist through Saturday. In Arizona, strong winds are raising PM-10 dust, leading to unhealthy air. Residents are warned to keep windows closed and minimize outdoor exposure.
Colorado is experiencing poor air quality due to wildfire smoke originating from active fires within the state and neighboring Utah. This smoke contains harmful particles that can deeply penetrate the lungs and bloodstream, posing serious risks.
Authorities strongly recommend that vulnerable populations, including the elderly, young children, and individuals with pre-existing respiratory or heart conditions, exercise extreme caution. Visibility below five miles is an indicator that air pollution has reached unhealthy levels.
