
The American Lung Association has released its annual air quality report card and the findings are dire: More than percent of people in the. Ozone is a bigger problem in the summer, while wood smoke from woodstoves and. Keep track of the most polluted cities in the world with our air quality index (AQI) ranking.
The pollution, however, declined on Monday, with AQI at 1(moderate) for PM2. Bangladesh’s capital Dhaka has ranked third worst in the Air Quality Index (AQI). It had an AQI score of 2at 08:12am on Monday, reports UNB. The air was classified as very unhealthy.
Pakistan’s Lahore and India’s Delhi occupied the top two spots in the list of cities with worst air quality with AQI scores of 3and 2respectively. Even small changes in China have global effects. Residents of Bosnia and Herzegovina have rallied.
The particulate matter that fills the air is mainly from burning garbage and fossil fuels. The cities with the cleanest air were small and relatively rural, while the places with the dirtiest air were industrial metropolises — but there were some surprises. Regular eruptions give Hilo the worst air quality of any city in the country, according to data from the Environmental Protection Agency. The EPA measures how polluted the air is using a metric called the Air Quality Index, which scales from zero to 50 with higher numbers indicating dirtier air.












