Campus of Ritan Elementary School is covered with heavy smog in Chaoyang district, Beijing at 7:30 am, Dec 8, 2015. [Photo/IC]

How can commuters be helped when cars are restricted?

To aid commuters, 21,000 to 25,000 more buses will be laid on each day with more than 150 buses as back up to relieve the burden, according to Beijing Municipal Commission of Transport.

How will students study when schools and kindergartens are closed?

Teachers should keep in touch with students and their parents through the Internet and other communication tools, and guide students to study by themselves, according to the Beijing Municipal Commission of Education.