20 Most Polluted Cities in the World

Kathleen Corrigan | January 2, 2017

If you only have one of something, that should be enough motivation to make you want to try and preserve it. Sadly, the human race doesn’t seem to feel that way about our planet, despite the fact that we only have one earth. Advocates have been preaching the message of ‘reduce, reuse and recycle’ for decades now, but mankind continues to fill the oceans with plastic and pump the air full of greenhouse gases.

Here are 20 of the most polluted cities from around the globe that you probably don’t want to move to any time soon.

Onitsha, Nigeria

If you think of Africa as an untouched jewel of nature, think again. Some African cities have become highly industrialized, which has led to major pollution problems like the one they have in Onitsha.

In Onitsha, the air quality is 30 times worse than what the World Health Organization determines to be the safe threshold. This is thanks to diesel smoke, construction, traffic and a lack of proper waste disposal methods.

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