Q. Which of the following cities is the most polluted city of Uttar Pradesh as per the Greenpeace India report for 2018?
Answer: Noida
Notes: As per the Greenpeace India report for 2018, Noida is the most polluted city of Uttar Pradesh. Jharia (Jharkhand) is the most polluted city of India and Lunglei (Mizoram) is the least polluted city.