When the Amber or Red Rainstorm Warning or Typhoon Signal No. 1 or 3 is in effect, all scheduled progams will be held as usual.

When a Black Rainstorm Warning is in force, all sessions will be canceled. Those in progress will normally continue until the end. Stay indoors wherever you are and do not leave until the warning is canceled and the conditions are safe.

When a Typhoon Signal No. 8 is to be issued within 2 hours (pre-No. 8), all sessions will be canceled. Those in progress will normally continue until the end. Stay indoors in a safe place or return home if traffic and weather conditions permit.

If Signal No. 8 or a Black Warning is canceled

• At or before 7:00 am, all morning sessions, including Technical Visits and IAQ/ANQ symposium, will be held as scheduled.
• At or before 12 noon, all afternoon sessions will be held as scheduled, while morning sessions will be canceled.
• At or before 4 pm, the Banquet and other evening activities will be held as scheduled, while all program sessions will be canceled.

If Signal No. 8 or above or a Black Warning is still in force at 4 pm, the Banquet and all evening activities will be canceled.

All details of rescheduled events will be posted on the notice board of the Congress venue and the Congress website. Please note that no separate notification will be issued.

Related website: Hong Kong Observatory