{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/air-quality/84109/","name":"Air quality for ZIP 84109 — Salt Lake City (Sugar House), UT","description":"Air quality data for ZIP 84109 (Salt Lake City (Sugar House), Utah), sourced from EPA Air Quality System (AQS), annual county summary.","topic":{"slug":"air-quality","label":"Air quality","source":"EPA Air Quality System (AQS), annual county summary","sourceUrl":"https://aqs.epa.gov/aqsweb/airdata/download_files.html","refreshCadence":"Annual (EPA AQS publication)","summary":"Pages show the 2025 median AQI category (Good, Moderate, Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, Hazardous) for the ZIP's county, plus the year's max/90th-percentile AQI and day-count breakdown by category.","limitations":"This is a county-level ANNUAL SUMMARY, not a live current reading and not an address-level measurement — for today's AQI, EPA's real-time AirNow feed is the correct source (not yet federated here). Not every county operates an EPA monitor; absence of data for a ZIP's county means no 2025 EPA reading exists, not that air is good."},"place":{"zip":"84109","city":"Salt Lake City (Sugar House)","state":"UT","stateFull":"Utah","county":"Salt Lake County","countySlug":"salt-lake-county","geo":{"latitude":40.7077,"longitude":-111.8484}},"stateContext":{"topConcern":"Radon Zone 1, wildfire, water-supply scarcity","narrative":"Utah is uniformly Zone 1 radon. Wildfire risk concentrates in the Wasatch + southern UT. Great Salt Lake decline + Colorado River allotment uncertainty drive water-supply pressure on Salt Lake metro EPA SDWIS systems."},"radonZone":null,"airQuality":{"year":2025,"medianAqi":57,"medianCategory":"Moderate","maxAqi":175,"p90Aqi":90,"daysWithAqi":365,"goodDays":121,"moderateDays":228,"usgDays":15,"unhealthyDays":1,"veryUnhealthyDays":0,"hazardousDays":0,"classification":"county-level ANNUAL summary — not a live current reading, not an address-level measurement","caveat":"This is a county-level ANNUAL SUMMARY for 2025, not a live current reading. For today's air quality, check a real-time monitor at airnow.gov. Categories follow EPA's official AQI breakpoints."},"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/air-quality/84109/","zipDashboardUrl":"https://zipradar.org/zip/84109/","zipDashboardApiUrl":"https://zipradar.org/api/zip/84109/","primarySourceUrl":"https://aqs.epa.gov/aqsweb/airdata/download_files.html","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/air-quality/84109/"}}