{"url_path":"/weather/alerts/2.49.0.1.840.0.b671cba10c63f87e1bafc8bc1c3f4e8d172c60c7.001.1","section_key":"alert","section_title":"Air Quality Alert issued July 22 at 4:10PM MDT by NWS Denver CO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-22","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.b671cba10c63f87e1bafc8bc1c3f4e8d172c60c7.001.1","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":235,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued July 22 at 4:10PM MDT by NWS Denver CO\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Jefferson, CO; Weld, CO; Arapahoe, CO; Adams, CO; Boulder, CO; Broomfield, CO; Douglas, CO; Larimer, CO; Denver, CO\n**Issued by:** NWS Denver CO\n**Sent:** 2026-07-22T16:10:00-06:00\n**Effective:** 2026-07-22T16:10:00-06:00\n**Expires:** 2026-07-23T00:00:00-06:00\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 Wednesday July 22 to 1200 AM Thursday July 23\n\nIMPACTS...Ozone Action Day Alert is now in effect for the Front\nRange Urban Corridor.  Ozone levels are expected to reach the\nUnhealthy for Sensitive Groups category in the Denver Metro area\non Wednesday. Increased chances of afternoon thunderstorms are\nexpected to keep ozone in the Good to Moderate range on Thursday.\nFor Colorado air quality conditions, forecasts, and advisories,\nvisit: https://www.colorado.gov/airquality/colorado_summary.aspx\nIf possible, please help us reduce ozone pollution by limiting\ndriving gas and diesel-powered vehicles until midnight, Wednesday\nnight, July 22, 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."}