{"url_path":"/weather/alerts/2.49.0.1.840.0.27367fe8dfcdfb978d6a35ec1d900d39064a537d.001.1","section_key":"alert","section_title":"Air Quality Alert issued June 5 at 4:10PM MDT by NWS Denver CO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-06-05","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.27367fe8dfcdfb978d6a35ec1d900d39064a537d.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":246,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued June 5 at 4:10PM MDT by NWS Denver CO\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Denver, CO; Broomfield, CO; Larimer, CO; Adams, CO; Jefferson, CO; Douglas, CO; Arapahoe, CO; Weld, CO; Boulder, CO\n**Issued by:** NWS Denver CO\n**Sent:** 2026-06-05T16:10:00-06:00\n**Effective:** 2026-06-05T16:10:00-06:00\n**Expires:** 2026-06-06T00:00:00-06:00\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 Friday June 05 to 1200 AM Saturday June 06\n\nIMPACTS...Ozone Action Day Alert is now in effect for the Front\nRange Urban Corridor.  on Friday, hot and stagnant conditions will\nallow ozone to reach the Unhealthy for Sensitive Groups level. The\nhighest concentrations of ozone are expected in southern and\nwestern portions of the Denver Metro area. On Saturday, beezy,\nunsettled weather is expected, resulting in Good to Moderate ozone\nconcentrations.  For Colorado air quality conditions, forecasts,\nand 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, Friday\nnight, June 5, 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."}