These were the most polluted US cities in 2023, air quality study finds – ABC4.com
- These were the most polluted US cities in 2023, air quality study finds ABC4.com
- California city named one of the most polluted places in the US, air quality study finds KTLA Los Angeles
- Air pollution in U.S.: Columbus, Minneapolis among worst air quality Axios
- Chicago ranked 2nd in U.S. for worst air pollution, 2023 report says Chicago Tribune
- Trudeau’s bungled wildfire response made Canada most polluted country on continent: critics Fox News