India is currently the hottest country in the world as it dominated AQI.in's real-time 100 hottest cities list over the past week, with over 90 Indian cities reporting extreme temperatures each day. As per AQI.in's data at 2.50 pm on Monday, 99 out of 100 of the world's hottest cities are Indian. Nepal's Dhangadhi took the lone spot at 99th.