"We regret to announce that due to record levels of unhealthy air quality, The National shows scheduled at the Greek Theatre at UC Berkeley this weekend will be postponed. Rescheduled dates will be announced very soon and we will send you an advisory once the rescheduled dates are known. All tickets will be honored at the new dates. We?re very sorry for any inconvenience caused by this postponement and appreciate your understanding. Refunds are available at point of purchase should you not be able to attend the rescheduled dates yet to be announce. All events are rain or shine."