Erin Davis/Axios Visuals Air quality is worsening in the Upper Midwest and Northern California, according to year-over-year data. Why it matters: Poor air quality can lead to long-term health problems ...

The Center for Biological Diversity and the Patagonia Area Resource Alliance say federal regulators failed to review a ...

As people return to the structures spared from Los Angeles wildfires, experts warn that they should be careful of the air ...

Officials are warning of windblown ash and other pollutants from Los Angeles-area fires and say air quality readers won't ...

Four provinces and cities in Cambodia, including Phnom Penh, Banteay Meanchey, Siem Reap, and Koh Kong provinces, on Friday ...

An air quality alert was issued on Wednesday at 4:14 p.m. in effect until Thursday at 6 p.m. The alert is for San Bernardino ...

Air purifiers are a great tool for improving your indoor air quality. You could also invest in a sensor just so you know what ...

The air that women breathe up to three months before they become pregnant can have an effect on the future baby’s size. A ...

More Santa Ana winds arrive Thursday. These winds enhance early in morning with gusts near 50mph. This will bring toxic air, smoke, ash and air quality ...

An air stagnation advisory was issued by the National Weather Service on Thursday at 4:34 a.m. in effect until Friday at noon ...

On Wednesday at 3:18 p.m. an updated air quality alert was issued valid until Thursday at 6 p.m. The alert is for Ventura ...

The Oregon Department of Environmental Quality issued an air quality advisory for La Pine Tuesday due to stagnant air ...