So far, construction and demolition activities have been banned in Delhi under stage 3 GRAP.
The Delhi government extended the ban on the entry of trucks till November 26.
Some states completely banned the manufacture, sale, use of firecrackers.
According to the CPCB, having a higher wind speed and better ventilation index will help in the dispersion of pollutants faster.
Ashik shared his motivation to work on air pollution controlling device.