{"url_path":"/weather/alerts/2.49.0.1.840.0.2d7343b355c66a42063e5397a62f8941cbc1234f.001.1","section_key":"alert","section_title":"Air Quality Alert issued June 20 at 4:10PM MDT by NWS Denver CO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-06-20","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.2d7343b355c66a42063e5397a62f8941cbc1234f.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":252,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued June 20 at 4:10PM MDT by NWS Denver CO\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Jefferson, CO; Broomfield, CO; Douglas, CO; Adams, CO; Larimer, CO; Weld, CO; Boulder, CO; Arapahoe, CO; Denver, CO\n**Issued by:** NWS Denver CO\n**Sent:** 2026-06-20T16:11:00-06:00\n**Effective:** 2026-06-20T16:10:00-06:00\n**Expires:** 2026-06-21T00:00:00-06:00\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 June 20 to 1200 AM Sunday June 21\n\nIMPACTS...Ozone Action Day Alert is now in effect for the Front\nRange Urban Corridor.  On Saturday, hot and sunny weather with\nlimited clouds and storms is expected to allow ozone to reach the\nUnhealthy for Sensitive Groups category in southern and western\nportion of the Denver Metro area, including the foothills. Breezy\nand favorable winds will help to keep ozone in the Good to\nModerate range on 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 midnight, Saturday\nnight, June 20, 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."}