{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/air-quality/74133/","name":"Air quality for ZIP 74133 — Tulsa (S Memorial), OK","description":"Air quality data for ZIP 74133 (Tulsa (S Memorial), Oklahoma), 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":"74133","city":"Tulsa (S Memorial)","state":"OK","stateFull":"Oklahoma","county":"Tulsa County","countySlug":"tulsa-county","geo":{"latitude":36.0526,"longitude":-95.8788}},"stateContext":{"topConcern":"Tornadoes, induced seismicity, water-supply","narrative":"Oklahoma sits in the heart of Tornado Alley. Induced seismicity (oil/gas wastewater injection) has flagged some EPA SDWIS small systems. Radon risk is Zone 1-2 across most counties."},"radonZone":null,"airQuality":{"year":2025,"medianAqi":50,"medianCategory":"Good","maxAqi":508,"p90Aqi":74,"daysWithAqi":365,"goodDays":185,"moderateDays":178,"usgDays":1,"unhealthyDays":0,"veryUnhealthyDays":0,"hazardousDays":1,"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/74133/","zipDashboardUrl":"https://zipradar.org/zip/74133/","zipDashboardApiUrl":"https://zipradar.org/api/zip/74133/","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/74133/"}}