3

Where can I find information about pollution or air quality by city in U.S.? I would like to the data to be from an official source.

4

The Environmental Protection Agency monitors this in many places and have much of this data available for free, as well as extensive documentation: https://www.epa.gov/outdoor-air-quality-data

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.