Salt Lake City topped national charts this week under a blanket of the dirtiest air in the country, with more to come. Tuesday’s air quality ranked worst in the U.S., according to the National Weather ...

The Minnesota Pollution Control Agency (MPCA) reported that the air quality across the state on Wednesday is unhealthy for everyone because of Canadian wildfire smoke. As we deal with poor air ...

This cross-sectional study of 300 school-aged girls in Tehran found that higher air pollution exposure was consistently ...

Delhi's toxic air crisis disproportionately affects the poor, from construction workers to schoolchildren. Learn about the health costs, government inaction, and the daily struggle to breathe.

The national capital woke up to dense fog on Wednesday morning and witnessed a significant deterioration in its air quality.

Delhi’s air quality remained in the poor category on Saturday with the AQI around 271, while several areas recorded very poor pollution levels. At the same time, dense to very dense fog reduced ...