24 Hour Pollutant Standards Index (PSI) Singapore Level

You may use the 24 HR PSI index to plan for next day activities.

Region Level
Central 56 - Moderate
North 40 - Good
South 52 - Moderate
East 44 - Good
West 55 - Moderate

24-HR PSI data last updated at 23/06/2024 11:30PM.

1-HR PM2.5 Singapore Level

You may use the PM2.5 index to plan for immediate outdoor activities such as going for a jog.

Region Level
Central 25 (Band 1 - Normal)
North 9 (Band 1 - Normal)
South 16 (Band 1 - Normal)
East 12 (Band 1 - Normal)
West 25 (Band 1 - Normal)

1 HR PM2.5 data last updated at 23/06/2024 11:30PM.

PSI Legend

PSI Level
0 - 50 Good
Normal activities
51 - 100 Moderate
Normal activities
101 - 200 Unhealthy
Healthy Persons: REDUCE prolonged or strenuous outdoor physical exertion
Elderly, Pregnant Woman, Children: MINIMISE prolonged or strenous outdoor physical exertion
Persons with Chronic Lung Disease, Heart Disease: AVOID prolonged or strenous outdoor physical exertion
201 and 300 Very unhealthy
Healthy Persons: AVOID prolonged or strenuous outdoor physical exertion
Elderly, Pregnant Woman, Children: MINIMISE outdoor activity
Persons with Chronic Lung Disease, Heart Disease: AVOID outdoor activity
Above 300 Hazardous
Healthy Persons: MINIMISE outdoor activity
Elderly, Pregnant Woman, Children: AVOID outdoor activity
Persons with Chronic Lung Disease, Heart Disease: AVOID outdoor activity

PM2.5 Legend

PM2.5 Level
0 - 55 Band 1 - Normal
CONTINUE with normal activities
56 - 150 Band 2 - Elevated
REDUCE strenuous outdoor activity for the next hour

Vulnerable persons1: AVOID streneous outdoor activity for the next hour
151 - 250 Band 3 - High
AVOID strenuous outdoor activity for the next hour

Vulnerable persons1: AVOID all outdoor activity for the next hour
251 and above Band 4 - Very High
MINIMISE all outdoor activity for the next hour

Vulnerable persons1: AVOID all outdoor activity for the next hour

1. Vulnerable persons include the elderly, pregnant women, children and persons with chronic lung disease or heart disease.

Source: haze.gov.sg

The information provided through this website is not intended or implied to be a substitute for professional medical advice, diagnosis or treatment. You agree that healthscreening.sg makes no representation and assumes no responsibility for the use of this information. Please consult a doctor if you have a medical concern.