What is the first thing that pops into your mind when you hear the word pollution? Some see it as foggy skies, piles of ...

Languages: English. Cities in California make up a significant proportion of the country's most polluted places when it comes to air quality, according to the American Lung Association (ALA).

Almost 43 million live in places that failed both pollution measures. The most heavily polluted places remain on the West Coast, although the Canada wildfires made the air quality for dozens of ...

This city was the most polluted in the U.S. Now, it's a scenic destination for outdoor adventures, historical attractions, and art.

The lists are based on the average number of days declared 'unhealthy' by government environmental agencies, with the most ...

The Houston-Pasadena area was named one of the most polluted cities in the U.S., according to a new study from the American ...

American Lung Association report found that about 156 million people live in counties plagued by high levels of ozone and ...

Pinal and Maricopa counties were among the 26 counties that received “failing grades” in all three categories — a group called the "most polluted places to live" in the report. "We want ...