Updated: 2019-04-19 11:10:50
Source: UNIS Campus
Everyone may begin to experience health effects. Members of sensitive groups may experience more serious health effects
Sensitive people should avoid prolonged or heavy exertion. Healthy individuals should limit prolonged outdoor exertion
UNIS Hanoi Response :
Outdoor activities for all students are modified or limited to 20 minutes of heavy exertion. Periodic Monitoring.