The Sacramento region's air quality reached "unhealthy for sensitive groups" level on Thursday morning, according to IQAir.

A new study out today names Columbus as the most polluted major city in the United States for 2023 and says it's the second year running for Ohio's capital. IQAir, a Swiss tech company that monitors ...

STAUNTON — Elizabeth Szabo never really thought about the air quality in a mountain town like Staunton until the Canadian wildfires turned the sky brown. “It was really awful, and I had never seen ...

(NEXSTAR) — Air quality was a top concern for many across the country during the summer of 2023, when many cities and entire states were blanketed in smokey Canadian wildfire skies. As it turns out, ...

While the U.S. has made great progress improving air quality in recent decades, air pollution is still a driver of many serious health conditions both domestically and globally. According to a new ...

A recent report from a Swiss air technology company identified Columbus as having the most polluted air of any major city in the United States, a claim that has its skeptics. The report from IQAir ...