Air quality alerts are issued when pollution levels rise to unhealthy levels, warning the public, especially vulnerable groups, to limit outdoor exposure for health and safety.

Smoke from Canadian wildfires drifted into the region last week. Doctors said they've seen an influx in appointments for respiratory problems as a result.

The National Weather Service announced air quality alerts in 10 states on Tuesday, as smoke from the Canadian wildfires continues to spread across the U.S. border. The alerts come as the ...

Ongoing wildfires in Canada are causing the worst kind of trickle-down effect here in the United States. According to ABC ...

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

We had another decrease in the air quality levels during the day Monday as a southerly wind pushed in another round of ...