Concentrations of some toxic chemicals in automobile interiors can be five to 10 times higher than in homes and offices, according to a report published in 2006 by the Ecology Center, a United States' nonprofit environmental organization. That means air pollution in cars is too severe to be neglected, especially during the winter months.

Below are some tips

Roll down your car windows occasionally. Pollution inside cars, especially new cars, is mainly caused by poor ventilation.