The Best How Northern Lights Occur Ideas. At a distance about 2500 km from these poles, the probability for seeing auroras is almost 100 %. Web the interaction of solar winds and earth’s atmosphere produces northern lights, or auroras, that dance across the night sky.

Both the northern lights and the southern lights are polar lights, or aurora polaris, because they occur near. But it is uncommon due to the light pollution of the city lights. Where do northern lights mostly occur?