{"url_path":"/weather/alerts/2.49.0.1.840.0.c40934164b79eec31d17f39a3e24e136b6453591.001.1","section_key":"alert","section_title":"Air Quality Alert issued July 11 at 4:10PM MDT by NWS Denver CO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-11","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.c40934164b79eec31d17f39a3e24e136b6453591.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Denver CO"},"word_count":220,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued July 11 at 4:10PM MDT by NWS Denver CO\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Larimer, CO; Jefferson, CO; Arapahoe, CO; Douglas, CO; Weld, CO; Denver, CO; Boulder, CO; Adams, CO; Broomfield, CO\n**Issued by:** NWS Denver CO\n**Sent:** 2026-07-11T16:10:00-06:00\n**Effective:** 2026-07-11T16:10:00-06:00\n**Expires:** 2026-07-12T16:00:00-06:00\n\n## Description\nThe Colorado Department of Public Health and Environment has\nissued the following...\n\nWHAT...Ozone Action Day Alert.\n\nWHERE...Douglas, Jefferson, Denver, western Arapahoe, western\nAdams, Broomfield, Boulder, Larimer, and Weld Counties\n\nWHEN...400 PM Saturday July 11 to 400 PM Sunday July 12\n\nIMPACTS...Ozone Action Day Alert is now in effect for the Front\nRange Urban Corridor.  Hot, dry, and stagnant weather will allow\nozone to reach the Unhealthy for Sensitive Groups category on\nSaturday and Sunday. For Colorado air quality conditions,\nforecasts, and advisories, visit:\nhttps://www.colorado.gov/airquality/colorado_summary.aspx   If\npossible, please help us reduce ozone pollution by limiting\ndriving gas and diesel-powered vehicles until at least 4 p.m.\nSunday, July 12, 2026. Colorado is also addressing ozone pollution\nthrough state policies. For more information about health impacts\nand how ozone pollution forms in Colorado, visit:\nhttps://cdphe.colorado.gov/ozone- pollution-and-your-health\n\nHEALTH INFORMATION...Increasing likelihood of respiratory symptoms\nand breathing discomfort in active children and adults and people\nwith lung disease, such as asthma. Active children and adults, and\npeople with lung disease, such as asthma, should reduce prolonged\nor heavy outdoor exertion."}