{"url_path":"/weather/alerts/2.49.0.1.840.0.421279675828ef9498751985fbde493b0f3159b4.001.1","section_key":"alert","section_title":"Air Quality Alert issued July 23 at 11:11AM MST by NWS Tucson AZ","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-23","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.421279675828ef9498751985fbde493b0f3159b4.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Tucson AZ"},"word_count":163,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued July 23 at 11:11AM MST by NWS Tucson AZ\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Tucson Metro Area including Tucson/Green Valley/Marana/Vail\n**Issued by:** NWS Tucson AZ\n**Sent:** 2026-07-23T11:11:00-07:00\n**Effective:** 2026-07-23T11:11:00-07:00\n**Expires:** 2026-07-24T21:00:00-07:00\n\n## Description\nThe Arizona Department of Environmental Quality (ADEQ) has issued an\nOzone (OZ) High Pollution Advisory for the Tucson Metro area\nFriday morning through Friday evening.\n\nThis means that forecast weather conditions combined with existing\nozone levels are expected to result in local maximum 8-hour ozone\nconcentrations that pose a health risk. Adverse health effects\nincrease as air quality deteriorates.\n\nOzone is an air contaminant which can cause breathing difficulties\nfor children, older adults, as well as persons with respiratory\nproblems. A decrease in physical activity is recommended.\n\nYou are urged to car pool, telecommute, or use mass transit.\nThe use of gasoline-powered equipment should be reduced or done late\nin the day.\n\nFor details on this High Pollution Advisory, visit the ADEQ internet\nsite at www.azdeq.gov/forecast/tucson or call 602-771-2300."}