[Updated] Delhi Air Pollution – Causes, Effects, SolutionsPREMIUM 

Recently, the Environment Pollution (Prevention and Control) Authority – EPCA had declared a public health emergency in the Delhi-NCR region as the pollution levels crossed the threshold of the "severe-plus” category. The air pollution is said to reach “Severe plus” or emergency levels when PM2.5 levels cross 300 µg/m3 or PM10 levels crosses 500µg/m3. As per the Graded Response Action Plan (GRAP), these levels, which are about 5-times the standard, need to persist for 48 hours or more before the emergency level can be declared. This is worrisome because, according to the plan, during severe or emergency levels of air pollution, those suffering from heart diseases, asthma and other respiratory diseases may suffer the most and has a direct impact on morality. According to WHO, air pollution kills 7 million people worldwide. And the health effects of air pollution are serious – about one-third of the deaths from stroke, lung cancer, and heart disease are caused by the same. It is having an equivalent effect to that of smoking tobacco.

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