Dhaka, the overcrowded capital city of Bangladesh, has ranked the first on the list of cities with the worst air quality with ...

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

Tech billionaire Bryan Johnson warns of India's air pollution crisis, citing health risks and a study linking PM2.5 to liver ...

Dhaka has topped the list of cities with the worst air quality with an AQI score of 251 at 8:21am on Tuesday. The air quality ...

Air quality in several areas of Laos has deteriorated, with PM2.5 levels reaching thresholds that pose health risks, ...

Dhaka, the capital city of Bangladesh, has topped the list of cities having the worst air quality with an AQI score of 243 at ...

Dust and ash left behind from the wildfires across Southern California can be irritating and hazardous when inhaled.

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

The hazardous air quality marks on the first working day of the week, and even an unhealthy air had been prevailing for the past few days ...

The AQI categorises pollution levels as follows: 0-50 (good), 51-100 (moderate), 101-150 (unhealthy for sensitive groups), 151-200 (unhealthy), 201-300 (very unhealthy), and above 300 (hazardous).