Weather Alerts for DenverIssued by the National Weather Service |
 AIR QUALITY ALERT |
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| DENVER | ||
Areas Affected: Broomfield, CO - Jefferson, CO - Denver, CO - Larimer, CO - Boulder, CO - Douglas, CO - Weld, CO - Arapahoe, CO - Adams, CO |
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| Effective: Thu, 7/3 4:10pm | Updated: Thu, 7/3 7:54pm | Urgency: Unknown |
| Expires: Fri, 7/4 12:00am | Severity: Unknown | Certainty: Unknown |
Details:
The Colorado Department of Public Health and Environment has issued the following... WHAT...Ozone Action Day Alert. WHERE...Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer, and Weld Counties WHEN...400 PM Thursday July 03 to 1200 AM Friday July 04 IMPACTS...Ozone Action Day Alert is now in effect for the Front Range Urban Corridor. Hot and sunny weather with light winds will allow ozone to reach levels that are Unhealthy for Sensitive Groups on Thursday afternoon and evening. Unsettled weather on Friday is expected to keep ozone in the Good to Moderate range. For Colorado air quality conditions, forecasts, and advisories, visit: https://www.colorado.gov/airquality/colorado_summary.aspx If possible, please help us reduce ozone pollution by limiting driving gas and diesel-powered vehicles until midnight, Thursday night, July 3, 2025. Colorado is also addressing ozone pollution through state policies. For more information about health impacts and how ozone pollution forms in Colorado, visit: https://cdphe.colorado.gov/ozone- pollution-and-your-health HEALTH INFORMATION...Increasing likelihood of respiratory symptoms and breathing discomfort in active children and adults and people with lung disease, such as asthma. Active children and adults, and people with lung disease, such as asthma, should reduce prolonged or heavy outdoor exertion. |
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