NOAAHourly aerosol optical depth and smoke detection retrievals from NOAA's GOES-East and GOES-West geostationary satellites covering the Western Hemisphere.
NOAA
HMS Smoke Polygons
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The Hazard Mapping System (HMS) Fire and Smoke Product is produced daily by NOAA analysts who manually delineate smoke plume extents visible in GOES and polar-orbiting satellite imagery. Smoke polygons are classified into light, medium, and dense categories based on optical depth.
HMS smoke polygons are a primary input to NOAA's air quality forecast models and are widely used by state and local air quality agencies to issue public health advisories during wildfire events. The product is available from 2005 to present through NOAA's Climate.gov portal.
Learn more
Documentation, algorithm details, and background reading for HMS.
Download data
Access HMS through the provider portal or download it directly.
Tutorials
Self-paced tutorials to help you get started with HMS.
Getting started with HMS
An introduction to the HMS dataset — what it measures, how it is produced, and when to use it.
Accessing and downloading HMS dataFind, subset, and download HMS data, with tips for common file formats and access tools.
Exploring HMS in the AIR4US visualization toolLoad HMS layers in the AIR4US visualization tool and interpret them alongside other air quality data.
Cite this dataset
NOAA / NESDIS. HMS Smoke Polygons. 2005 – Present. Accessed via the AIR4US Portal, https://www.ospo.noaa.gov/Products/land/hms.html.
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