Air-quality officials are advising people in several Southern California cities to keep their doors and windows closed amid ...

The map pulls data from air monitors, hundreds of pollution sensors, and forecast models to provide real-time air quality index (AQI) readings for more than 1,000 locations. Los Angeles’ air ...

Cities in South Carolina, North Carolina, Texas and California will have poor air quality that is dangerous for some people.

As fires burned in Los Angeles this year, newer toxin monitors found contaminants that aren’t measured by standard methods.

The countries with the worst air quality included Bangladesh and India, according to an annual report from IQAir.

AQI is calculated into six color-coded categories — the higher ... For scale, UCLA Health reported that the Los Angeles wildfires earlier this year caused 'unhealthy' and 'hazardous' air pollution at ...