During winters in metropolitan cities like Delhi, the fog and smoke together form smog. Inhalation of smog causes rise in patients of asthma.
It can be reduced by:
- Installation of tall chimneys in factories with filters.
- Electrostatic precipitators.
During winters in metropolitan cities like Delhi, the fog and smoke together form smog. Inhalation of smog causes rise in patients of asthma.
It can be reduced by: