Chancellor Carol Christ announced Sunday afternoon that all classes will be canceled Monday and Tuesday due to poor air quality in Berkeley.

In an email sent to the campus community, Christ said the campus came to the decision after consulting with the Academic Senate and tracking air quality data. She added that time during Reading, Review and Recitation Week — commonly known as dead week — will be used in order to make up for missed instruction.

“It is already clear we will need to take time from Reading, Review, and Recitation Week (12/3-12/7) to make up for missed classes and are therefore encouraging students to plan accordingly and use the days ahead for reading and review, if possible,” Christ said in the email.

The decision to cancel classes comes after Christ canceled classes Friday, following community backlash.

Aside from class cancelations, the campus will remain open and in operation, according to Christ. Christ added in the email that medical experts advise those with underlying medical conditions to “remain indoors to the extent possible.”

Additional information about how students and instructors can compensate for lost class time will be provided Monday, according to Christ.