{"url_path":"/weather/alerts/2.49.0.1.840.0.907ce1ab7147e47adb853bd0a0eb55f8fe9b3d04.001.1","section_key":"alert","section_title":"Air Quality Alert issued June 23 at 4:10PM MDT by NWS Denver CO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-06-23","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.907ce1ab7147e47adb853bd0a0eb55f8fe9b3d04.001.1","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":233,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued June 23 at 4:10PM MDT by NWS Denver CO\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Larimer, CO; Broomfield, CO; Weld, CO; Boulder, CO; Arapahoe, CO; Jefferson, CO; Denver, CO; Adams, CO; Douglas, CO\n**Issued by:** NWS Denver CO\n**Sent:** 2026-06-23T16:10:00-06:00\n**Effective:** 2026-06-23T16:10:00-06:00\n**Expires:** 2026-06-24T16:00:00-06:00\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 Tuesday June 23 to 400 PM Wednesday June 24\n\nIMPACTS...Ozone Action Day Alert is now in effect for the Front\nRange Urban Corridor.  Hot temperatures and light winds will allow\nincreased ozone levels on Tuesday and Wednesday. The highest\nconcentrations of ozone are most likely in the southern and\nwestern portions of the Denver Metro area.   For Colorado air\nquality conditions, forecasts, 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.\nWednesday, June 24, 2026. Colorado is also addressing ozone\npollution through state policies. For more information about\nhealth impacts and 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."}