{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/air-quality/06880/","name":"Air quality for ZIP 06880 — Westport (CT), CT","description":"Air quality data for ZIP 06880 (Westport (CT), Connecticut), 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":"06880","city":"Westport (CT)","state":"CT","stateFull":"Connecticut","county":"Fairfield County","countySlug":"fairfield-county","geo":{"latitude":41.1415,"longitude":-73.3579}},"stateContext":{"topConcern":"Lead service lines, coastal flood","narrative":"Connecticut's older housing stock carries elevated LCRR-flagged lead service line risk in cities like Hartford, Bridgeport, New Haven. Coastal Long Island Sound communities sit in FEMA AE/VE zones with Risk Rating 2.0 premium pressure. School data via NCES splits between large municipal districts and small magnet/charter networks."},"radonZone":null,"airQuality":{"year":2025,"medianAqi":44,"medianCategory":"Good","maxAqi":174,"p90Aqi":74,"daysWithAqi":365,"goodDays":236,"moderateDays":108,"usgDays":19,"unhealthyDays":2,"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/06880/","zipDashboardUrl":"https://zipradar.org/zip/06880/","zipDashboardApiUrl":"https://zipradar.org/api/zip/06880/","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/06880/"}}