One possible reason for bad air quality in the city is a fire that broke out yesterday afternoon in Lancaster, Pennsylvania, ...

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

Dhaka topped the list of cities having the worst air quality with an AQI score of 295 at 8:55am this morning (January 27, ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

Lahore, Pakistan, has topped the global air pollution list today, with Dhaka, the capital of Bangladesh, holding the second ...

The popular tourist destination recorded an Air Quality Index of 168 which is considered ‘unhealthy’ while the level of PM2.5 ...

Dhaka, the overcrowded capital city of Bangladesh, has topped the list of cities with the worst air quality with an AQI index of 257 at 9:31am today (25 January). The air was classified as 'very ...

Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.

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

The air quality index in Lao capital Vientiane reached a very unhealthy level, with PM 2.5 concentration hitting 152 microgrammes per cubic metre, exceeding the safety threshold of 50 microgrammes ...

Persistent fires led to a haze of air pollution blanketing Oxnard, California. Dramatic footage captured an eerie scene, turning the sky a light orange and covering 598 Town Centre Drive with smoke ...

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