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• Organization: U.S. Environmental Protection Agency
• Dataset Last Updated: April 01, 2018

This file has two sheets. Data are measurements by Citizen Science Air Monitors (CSAM) and Federal Monitors, which sampled particulate matter (PM), nitrogen dioxide (NO2), relative humidity (RH),...

• XLSX

• Organization: State of California
• Dataset Last Updated: October 23, 2019 at 05:27 PM

CalEnviroScreen is a mapping tool that helps identify California communities that are most affected by many sources of pollution, and where people are often especially vulnerable to pollution’s...

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• SHP