The Most Polluted Cities in America (And Their Emission Sources)

Low air quality is a problem nearly a third of Americans deal with, whether it's ozone or particle pollution. All air contains at least low levels of particle pollution. Our guide covers the most polluted cities in America.

UPDATED: Jun 13, 2023Fact Checked

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Sara Routhier

Sr. Director of Content

Sara Routhier, Managing Editor and Outreach Director, has professional experience as an educator, SEO specialist, and content marketer. She has over five years of experience in the insurance industry. As a researcher, data nerd, writer, and editor she strives to curate educational, enlightening articles that provide you with the must-know facts and best-kept secrets within the overwhelming world o...

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Jimmy McMillan

Licensed Insurance Agent

Jimmy McMillan is an entrepreneur and the founder of HeartLifeInsurance.com, an independent insurance brokerage. His company specializes in insurance for people with heart problems. He knows personally how difficult it is to secure health and life insurance after a heart attack. Jimmy is a licensed insurance agent from coast to coast who has been featured on ValientCEO and the podcast Modern Li...

Licensed Insurance Agent

UPDATED: Jun 13, 2023

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Editorial Guidelines: We are a free online resource for anyone interested in learning more about auto insurance. Our goal is to be an objective, third-party resource for everything auto insurance related. We update our site regularly, and all content is reviewed by auto insurance experts.

UPDATED: Jun 13, 2023

Advertiser Disclosure

It’s all about you. We want to help you make the right coverage choices.

Advertiser Disclosure: We strive to help you make confident auto insurance decisions. Comparison shopping should be easy. We are not affiliated with any one auto insurance provider and cannot guarantee quotes from any single provider. Our auto insurance industry partnerships don’t influence our content. Our opinions are our own. To compare quotes from many different auto insurance companies please enter your ZIP code on this page to use the free quote tool. The more quotes you compare, the more chances to save.

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