{"url_path":"/weather/alerts/2.49.0.1.840.0.1aff8f41caf63665acf72763b8e27df76f8dd1c4.002.1","section_key":"alert","section_title":"Air Quality Alert issued July 18 at 10:24AM EDT by NWS Detroit/Pontiac MI","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-18","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.1aff8f41caf63665acf72763b8e27df76f8dd1c4.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Detroit/Pontiac MI"},"word_count":359,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued July 18 at 10:24AM EDT by NWS Detroit/Pontiac MI\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Shiawassee; Genesee; Lapeer; St. Clair; Livingston; Oakland; Macomb; Washtenaw; Wayne; Lenawee; Monroe\n**Issued by:** NWS Detroit/Pontiac MI\n**Sent:** 2026-07-18T10:24:00-04:00\n**Effective:** 2026-07-18T10:24:00-04:00\n**Expires:** 2026-07-19T12:30:00-04:00\n\n## Description\nThe Air Quality Alert for today - Saturday July 18th - has been\ncancelled for the following counties: Shiawassee, Genesee, Lapeer,\nSt. Clair, Livingston, Oakland, Macomb, Washtenaw, Wayne, Lenawee,\nand Monroe.\n\nThe Michigan Department of Environment, Great Lakes, and Energy\n(EGLE) has issued an Air Quality Alert for July 19, 2026, for\nelevated levels of fine particulate due to wildfire smoke. On Sunday\nconcentrations will range from USG across the lower peninsula to\nUnhealthy in the upper peninsula.\n\nSunday, July 19, 2026, will be a Statewide Air Quality Alert\n\nSmoke has improved across the southern portion of Michigan early\nSaturday; however, another plume is forecast to track through the\nstate Saturday, lasting into Sunday. The upper peninsula will be most\naffected by the smoke on Saturday with fine particulate levels\ndeteriorating from north to south through Saturday. Concentrations\nwill be high enough across northern areas to warrant an Air Quality\nAlert for Saturday, and by Sunday levels will be high enough to\nwarrant another statewide Alert. With smoke lingering across the\nstate, ozone also has the potential to increase quickly.\n\nIt is recommended that, when possible, you avoid strenuous outdoor\nactivities, especially those with heart disease and respiratory\nconditions like asthma. Watch for symptoms including wheezing,\ncoughing, chest tightness, dizziness, or burning in nose, throat, and\neyes. You can help reduce air pollution by limiting activities, such\nas:\n- outdoor burning;\n- use of residential wood burning devices.\n\nTips for households:\n- Keep windows closed overnight to prevent smoke from getting indoors\nand, if possible, run central air conditioning with MERV-13 or\nhigher rated filters.\n\nFor up-to-date air quality data for Michigan visit the MiAir site:\nMichigan.gov/MiAir\n\nFor up-to-date air quality data nationally visit EPAs Air Now site:\nAirNow.gov\n\nFor further health information, please see MDHHS Wildfire Smoke and\nYour Health site:\nhttps://www.michigan.gov/mdhhs/safety-injury-prev/environmental-\nhealth/your-health-and-wildfire-smoke\n\nThe alert is in effect for the following Michigan counties...\n\nShiawassee...Genesee...Lapeer...St. Clair...Livingston...Oakland...\nMacomb...Washtenaw...Wayne...Lenawee and Monroe."}