There is more trouble for residents of Port Harcourt, Rivers State capital, as it has been ranked among the world’s worst air polluted cities in the world.

The data for cities’ air quality index is analysed every day by AirVisual, a global air quality moitor founded in 2015, “on the belief that data enables action, and that without air quality data, the hazards of air pollution will remain invisible and unbeatable”, it wrote on its website, airvisual.com.

According to the latest ranking on Thursday, the most polluted city in the world is Delhi, the capital of India.

Lahore in Pakistan is second followed by Kolkata, India, Dhaka(Bangladesh), Ulaanbaatar (Mongolia), Jerusalem(Israel), and Mumbai(India).

Others are Hanoi(Vietnam), Port Harcourt(Nigeria), and Kaohsiung(Taiwan).

Until this latest ranking, Onitsha and Aba, all in South East of Nigeria, had been reported the worst polluted towns in Nigeria.

Port Harcourt has been struggling with soot said to be the consequence of illegal refining of petroleum products by illegal bunkers.

In arriving at its results, AirVisual says it applies artificial intelligence, big data and cloud computing to map complex, nonlinear air pollution trends accurately and efficiently. The method employs deep machine learning - a process of simplifying data by learning multiple levels of representations and abstractions.


http://theneighbourhoodonline.com/health/health-alert-port-harcourt-among-world-s-worst-air-polluted-cities.html

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