dataset · USA

CMAS Data Warehouse

CMAS Data Warehouse on AWS collects and disseminates meteorology, emissions and air quality model input and output for Community Multiscale Air Quality (CMAQ) Model Applications. This dataset is available as part of the AWS Open Data Program, therefore egress fees are not charged to either the host or the person downloading the data. This S3 bucket is maintained as a public service by the University of North Carolina's CMAS Center, the US EPA’s Office of Research and Development, and the US EPA’

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Source details

Licence: There are no restrictions on the use of this data. US EPA License (https://pasteur.epa.gov/license/sciencehub-license.html)

Evidence quality: 27

Listed in aws-odr public catalogue API on 2026-10-16; relevance/value screened (haiku).

Metadata checked: 2026-10-14T13:20:00.000Z

Evidence

arn:aws:s3:::cmaq-release-benchmark-data-for-easy-download, arn:aws:sns:us-east-1:703786580975:cmaq-release-benchmark-data-for-easy-download-object_created, arn:aws:s3:::cmas-cmaq-conus2-benchmark
https://registry.opendata.aws/cmas-data-warehouse/

Check upstream coverage, uncertainty and licence before use. Station observations are not forecasts or design levels.