{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/air-quality/89509/","name":"Air quality for ZIP 89509 — Reno (Southwest), NV","description":"Air quality data for ZIP 89509 (Reno (Southwest), Nevada), 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":"89509","city":"Reno (Southwest)","state":"NV","stateFull":"Nevada","county":"Washoe County","countySlug":"washoe-county","geo":{"latitude":39.4977,"longitude":-119.8158}},"stateContext":{"topConcern":"Wildfire, water-supply (Colorado River allotment)","narrative":"Nevada's wildfire risk concentrates in the western Sierra foothills (Reno, Carson City, Lake Tahoe). Las Vegas water supply tied to declining Lake Mead Colorado River allotment. EPA SDWIS shows arsenic challenges in some rural systems."},"radonZone":null,"airQuality":{"year":2025,"medianAqi":50,"medianCategory":"Good","maxAqi":112,"p90Aqi":71,"daysWithAqi":365,"goodDays":183,"moderateDays":180,"usgDays":2,"unhealthyDays":0,"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/89509/","zipDashboardUrl":"https://zipradar.org/zip/89509/","zipDashboardApiUrl":"https://zipradar.org/api/zip/89509/","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/89509/"}}