Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https://
means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This is metadata for the figures from an overview paper for the ALPACA Fairbanks winter air quality study. The paper includes only (non-EPA funded/generated) data to support some early analysis...
data.gov
An official website of the GSA's Technology Transformation Services