(CNN) Asia has dominated a new list of the world's most polluted cities of 2018.

According to the report from AirVisual , which measured 3,000 cities, air pollution will cause around 7 million premature deaths globally next year and have a major economic impact. It noted that although South Asian countries and China were the worst affected, air pollution is a global issue.

Here are the 100 most polluted cities according to the report, starting with Gurugram, a suburb of the Indian capital New Delhi. 22 of the top 30 are in India.

1. Gurugram, India

2. Ghaziabad, India

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