{"url_path":"/weather/alerts/2.49.0.1.840.0.023596775779be2587dc76742c2e32b067788445.001.1","section_key":"alert","section_title":"Air Quality Alert issued July 16 at 4:10PM MDT by NWS Denver CO","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-16","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.023596775779be2587dc76742c2e32b067788445.001.1","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 July 16 at 4:10PM MDT by NWS Denver CO\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Broomfield, CO; Douglas, CO; Adams, CO; Weld, CO; Arapahoe, CO; Jefferson, CO; Denver, CO; Larimer, CO; Boulder, CO\n**Issued by:** NWS Denver CO\n**Sent:** 2026-07-16T16:11:00-06:00\n**Effective:** 2026-07-16T16:10:00-06:00\n**Expires:** 2026-07-17T16:00:00-06:00\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 Thursday July 16 to 400 PM Friday July 17\n\nIMPACTS...Ozone Action Day Alert is now in effect for the Front\nRange Urban Corridor.  Ozone will be in the Moderate to Unhealthy\nfor Sensitive Groups range on Thursday and Friday throughout the\nnorthern Colorado Front Range. The highest concentrations are most\nlikely in the western portions of the Denver Metro area from\nGolden northward through Boulder; including the lower foothills.\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 at least 4 p.m.\nFriday, July 17, 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."}