Air Pollution June 9, 2025 Antarctica Journal Portion of Americans who live in areas harmful levels of air pollution: 1/2 Number of the top five most polluted cities in the country that are in California: 5 Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Reddit (Opens in new window) Reddit Click to share on Tumblr (Opens in new window) Tumblr Click to share on Pinterest (Opens in new window) Pinterest Click to share on Threads (Opens in new window) Threads Click to share on WhatsApp (Opens in new window) WhatsApp Click to share on Bluesky (Opens in new window) Bluesky Click to email a link to a friend (Opens in new window) Email tagged with facts, pollution, trends Facts & Trends
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