According to sources, many of the deaths in 2012 majorly occurred in low and middle-income countries in south-east Asia and the western Pacific region, where about 3.3 million died as a result of indoor air pollution, while 2.6 million deaths were related to outdoor air pollution.

The biggest pollution-related killers were heart disease, stroke, pulmonary disease and lung cancer. WHO reportedly estimated that there were about 4.3 million deaths in 2012 caused by indoor air pollution and about 3.7 million deaths from outdoor air pollution, of which nearly 90 percent were in developing countries.

According to experts, it is mostly up to the governments to curb pollution levels through measures like legislation, moving power stations away from big cities and providing cheap alternatives to indoor wood and coal stoves. People can also reduce their individual exposure to choking fumes by avoiding traveling at rush hour or by taking smaller roads.


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