air pollution, US cities

Bangladesh recorded an annual average PM2.5 concentration of 78.0 micrograms per cubic meter (µg/m3), ranking second after Chad among 138 countries and territories ...
Dhaka has topped the list of cities with the worst air quality with an AQI index of 304 at 09:04am today. The air was ...
Dhaka, the overcrowded capital city of Bangladesh, has ranked the first on the list of cities with the worst air quality with an AQI score of 276 at 9:10am on Monday. The air was classified as ...
SINGAPORE (Reuters) -Only seven countries met World Health Organization (WHO) air quality standards last year, data showed on ...
A new report has shed light on the locations of the most polluted cities in the U.S. On Tuesday, IQAir, a Swiss tech company ...
Dhaka—the overcrowded capital city of Bangladesh—topped the list of cities with the worst air quality, recording an AQI score of 242 at 10:40am on Friday. According to the AQI index, Friday’s ...
Kathmandu's air quality has deteriorated, making it the fifth most polluted city in the world with an AQI of 180, according to the Air Quality Index.Beijing, Kampala, Delhi, and Kuwait occupy the top ...