{"datasets":[{"cadence":"PT1H","check_every":"PT3H","coverage":{"end":"2026-10-26T10:38:00Z","start":"2026-10-19T11:06:00Z"},"current":"2026-10-26.a5a252d6f8","description":"Satellite fire detections from the last 7 days over the United States and Canada, grouped into fire events and linked to the official incident (name, acres, containment, IRWIN id) where one exists. Detections in the same or adjacent 1 km grid cells within 48 hours of each other form one event; repeat views of the same spot by a second satellite on the same overpass are counted once. Built from NASA FIRMS VIIRS near-real-time detections (S-NPP, NOAA-20 and NOAA-21), NIFC WFIGS current incidents and perimeters, and Natural Earth state and province boundaries.","discontinued":false,"id":"active-fires","kind":"table","published_at":"2026-10-26T14:18:40Z","sla":"PT12H","source":{"commercial_ok":true,"license":"LicenseRef-US-Government-Work","name":"NASA LANCE FIRMS VIIRS 375 m Active Fire NRT (VNP14IMGTDL_NRT, VJ114IMGTDL_NRT, VJ214IMGTDL_NRT); incidents and perimeters from NIFC WFIGS; boundaries from Natural Earth","url":"https://www.earthdata.nasa.gov/data/tools/firms/faq"},"title":"Active fires (US and Canada)"},{"cadence":"PT1H","check_every":"PT3H","coverage":{"end":"2026-10-26T13:48:15Z","start":"2025-12-16T13:37:23Z"},"current":"2026-10-26.b108662e1e","description":"Every current US wildland fire incident in IRWIN: wildfires, prescribed fires and complexes that are not yet out, with name, location, size, containment, cause and resources. From the NIFC WFIGS current incident locations service, which drops an incident 3 to 14 days after its last update.","discontinued":false,"id":"fire-incidents","kind":"table","published_at":"2026-10-26T14:18:59Z","sla":"PT12H","source":{"commercial_ok":true,"license":"LicenseRef-US-Government-Work","name":"NIFC WFIGS Current Wildland Fire Incident Locations","url":"https://data-nifc.opendata.arcgis.com/datasets/nifc::current-wildland-fire-incident-locations"},"title":"Current wildland fire incidents (US)"},{"cadence":"PT1H","check_every":"PT3H","coverage":{"end":null,"start":null},"current":"2026-10-26.fbe6acb2c0","description":"Current US interagency wildland fire perimeters as GeoJSON, plus an archive of every perimeter shape and every snapshot of the current layer since this dataset started, so a fire's growth can be followed after WFIGS drops it. From the NIFC WFIGS current interagency perimeters service.","discontinued":false,"id":"fire-perimeters","kind":"files","published_at":"2026-10-26T14:19:40Z","sla":"P2D","source":{"commercial_ok":true,"license":"LicenseRef-US-Government-Work","name":"NIFC WFIGS Current Interagency Fire Perimeters","url":"https://data-nifc.opendata.arcgis.com/datasets/nifc::wfigs-current-interagency-fire-perimeters"},"title":"Fire perimeters (US), current and archived"},{"cadence":"P1D","check_every":"PT3H","coverage":{"end":null,"start":null},"current":"2026-10-26.e071fcba78","description":"Daily smoke plume polygons over North America for the last 7 days, drawn by NOAA Hazard Mapping System analysts from satellite imagery and labelled Light, Medium or Heavy. The labels are visual density categories of smoke anywhere in the air column, not surface concentrations.","discontinued":false,"id":"smoke","kind":"files","published_at":"2026-10-26T14:20:27Z","sla":"P3D","source":{"commercial_ok":true,"license":"CC0-1.0","name":"NOAA NESDIS Hazard Mapping System (HMS) Fire and Smoke Analysis, smoke polygons","url":"https://catalog.data.gov/dataset/nesdis-hazard-mapping-system-fire-and-smoke-program"},"title":"Smoke plumes (NOAA HMS), last 7 days"}],"site":"wildfiredata"}