*API Category	Color	*Health Effect	*Health Advice
Good	0-50	Low pollution without any bad effect on health.	No restriction for outdoor activities to the public. Maintain a healthy lifestyle.
Moderate	51-100	Moderate pollution that does not pose any bad effect on health.	No restriction for outdoor activities to the public. Maintain a healthy lifestyle.
Unhealthy (For sensitive group	101-200	Worsen the health condition for elderly, pregnant woman, children and people who is with heart and lung complications.	Limited outdoor activitiesfor the high risk people.
Dangerous	201-300	Worsen the health condition and low tolerance of physical exercisesto people with heart and lung complications. Affect public health.	Old and high risk people are advised to stay indoor and reduce physicalactivities. People with health complications are advised to see doctor.
Hazardous	Above 300	Hazardousto high risk people and public health.	Public are advised to follow orders from National Security Council and always follow the announcementin mass media.