San Bernardino, California, has been named the “dirtiest city” in the United States for the second consecutive year, according to recent rankings. Los Angeles, Detroit, Reading, and Ontario round out the top five, with California claiming four spots in the top ten. Newark, New Jersey, secured the sixth position, driven by resident dissatisfaction with environmental conditions. The rankings are based on pollution levels and environmental concerns reported by residents. This marks a continued struggle with pollution for cities within the state of California. The report highlights ongoing environmental challenges facing urban areas across the country, with San Bernardino consistently facing the most significant issues. These findings may prompt increased scrutiny and potential policy changes aimed at improving air and environmental quality in the affected cities.