Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans...

The following list of countries by air pollution sorts the countries of the world according to their average measured concentration of particulate matter...

pollution long after the source of the pollution is stopped. Major forms of pollution include air pollution, water pollution, litter, noise pollution...

Air pollution in India is a serious environmental issue. Of the 30 most polluted cities in the world, 21 were in India in 2019. As per a study based on...

is facing a significant air pollution problem. The air quality of Karachi has been deteriorating over the years, with pollution levels often exceeding...

major city in the world. It also affects the districts around Delhi. Air pollution in India is estimated to kill about 2 million people every year; it...

polluted the air currently is or how polluted it is forecast to become. As air pollution levels rise, so does the AQI, along with the associated public health...

Air pollution measurement is the process of collecting and measuring the components of air pollution, notably gases and particulates. The earliest devices...

Pollution in China is one aspect of the broader topic of environmental issues in China. Various forms of pollution have increased as China has industrialised...

In Turkey, air pollution is the most lethal of the nation's environmental issues, with almost everyone across the country exposed to more than World Health...