Web Services

Web Service Explorer
Web Service Explorer
This tool allows you to explore and test various web services by deconstructing full example URLs for each service into their component name/value pairs and allowing you to change the values of each argument.
General Metadata Services
General Metadata Services
A collection of services that provide quick access to generalized air quality metadata stored in the database, such as Datasets, Sites, Parameters, Units, Federal Lands, Class I Areas, Agencies, IMPROVE Regions, Data Quality Flags, States, Counties, CBSAs, general air quality terms, and more.
IMPROVE Data Services
IMPROVE Data Services
A collection of customized and targeted services that provide access to raw data and metadata from the Interagency Monitoring of Protected Visual Environments (IMPROVE) program.
Air Quality Summary Data Services
Air Quality Summary Data Services
A collection of customized and targeted services that provide access to Air Quality Related Values (AQRV) summary data, such as "High4" and "W126" ozone metrics, regional haze rule metrics, aerosol extinction components, wet and dry deposition data, and a variety of shot- and long-term trends data.
NPS ARD Datasets
NPS ARD Datasets
A collection of customized and targeted services that provide access to Air Quality Related Values (AQRV) summary data that have been post-processed according to specific completeness and quality criteria specified by the Air Resources Division of the National Park Service.