{"url_path":"/weather/alerts/2.49.0.1.840.0.0d9bdfe720709c5651070df2e17cf403760db319.001.1","section_key":"alert","section_title":"Air Quality Alert issued July 4 at 4:10PM MDT by NWS Denver CO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-04","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.0d9bdfe720709c5651070df2e17cf403760db319.001.1","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":221,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued July 4 at 4:10PM MDT by NWS Denver CO\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Arapahoe, CO; Larimer, CO; Denver, CO; Weld, CO; Jefferson, CO; Douglas, CO; Boulder, CO; Adams, CO; Broomfield, CO\n**Issued by:** NWS Denver CO\n**Sent:** 2026-07-04T16:11:00-06:00\n**Effective:** 2026-07-04T16:10:00-06:00\n**Expires:** 2026-07-05T16:00:00-06:00\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 04 to 400 PM Sunday July 05\n\nIMPACTS...Ozone Action Day Alert is now in effect for the Front\nRange Urban Corridor.  Ozone concentrations in the Unhealthy for\nSensitive Groups category are possible both Saturday and Sunday\nduring the afternoon and evening hours.  For Colorado air quality\nconditions, 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.\nSunday, July 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."}