Question

Why does pollution increase during winter

Answer 1

Answer:

Cold air is denser and moves slower than warm

air. This density means that cold air traps the

pollution but also doesn't whisk it away. Air

pollution in winter remains in place for much

longer and therefore is breathed in at a higher rate

than during the summer.

Answer 2

Answer:

1. Winter inversion, valley effect in addition to industrial emissions, vehicular emissions are some of the reasons for the increasing amount of air pollution in winter. Dust storms, crop fires, burning of solid fuels for heating, as well as firecracker-related pollution during Diwali also increases winter pollution.

2.Cold air is denser and moves slower than warm air. This density means that cold air traps the pollution but also doesn't whisk it away. Air pollution in winter remains in place for much longer and therefore is breathed in at a higher rate than during the summer.