An examination by The Associated Press found that the rules EPA wants to eliminate are projected to save more than 30,000 ...

At the surface, issues with air quality returned as high levels of ground ozone made the air unhealthy during the latter part of the afternoon. All eyes then turn to an approaching frontal boundary ...

San Bernardino County board supervisors say proposed air quality rules would increase costs for families while not delivering meaningful improvements.

The petition states local health officials have “demonstrated a complete lack of commitment to taking timely and meaningful ...

Smoke from Canadian wildfires worsened air quality in the eastern U.S. on Wednesday as several Midwestern states battled ...

The U.S. Environmental Protection Agency earlier this year announced it will get rid of a policy that would have reclassified ...

While both dust and smoke are similar, it's also important to point out their differences. Here's how to tell what's causing the haze in your skies.

Although the majority of wildfires are occurring in western Canada, smoke from these fires has been drifting eastward, ...

Smoke from wildfires still raging in Canada is degrading air quality across the northern U.S., turning skies a murky orange ...

As hundreds of wildfires burn across Canada, smoke is traveling south and potentially affecting Americans’ health. Here's why ...