Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

Southern California wildfires have spurred smoke advisories by authorities and contributed to hazardous air quality ...

Several cities in Metro Manila have experienced unhealthy to very unhealthy air quality following the New Year’s festivities on Wednesday, January 1.

The Bangladesh Department of Environment, which gives immediate updates on air quality, said that Dhaka’s AQI score was 201 at 11am, which is considered “very unhealthy”. Air quality is ...

has ranked third on the list of cities with the worst air quality with an AQI score of 275 at 9am Tuesday morning. Tuesday's air was classified as 'very unhealthy, ‘indicating a severe health threat, ...

Air quality for a large portion of Los Angeles County has reached the very unhealthy Air Quality Index (AQI) category due to a cluster of wildfires ravaging the area. The impacted area ...