Air quality goes into the unhealthy range as three-hour PSI climbs steadily

SINGAPORE - At such levels, when PSI readings range from 101 to 200, air quality is considered unhealthy. Prolonged or strenuous outdoor physical exertion should be reduced or avoided under such circumstances.

 
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Here is the press release from NEA:

HAZE SITUATION UPDATE (8 OCTOBER)

SINGAPORE - It was slightly hazy in Singapore this afternoon. As at 7pm today, the 24-hr PSI was 75 - 85, in the Moderate range. The haziness was due to smoke haze blown in from southern Sumatra by the prevailing southerly winds. The hazy conditions are expected to persist tonight.

The total number of hotspots detected in Sumatra and Kalimantan today was 110 and 58 respectively.

The low hotspot count for Kalimantan was due to partial satellite coverage and cloud cover. Widespread smoke haze was visible in parts of Kalimantan and Sumatra. Some haze from southern Sumatra was blown by the prevailing southerly winds towards Singapore.

For tomorrow, thundery showers in the afternoon are expected for Singapore.

The prevailing winds are forecast to vary between southeasterly and southwesterly. Hazy conditions can be expected. The overall air quality for the next 24 hours is expected to be mainly in the high-end of Moderate range and low-end of the Unhealthy range.

The health impact of haze is dependent on one's health status, the PSI level, and the length and intensity of outdoor activity.

Reducing outdoor activities and physical exertion can help limit the ill effects from haze exposure.

Given the air quality forecast for tomorrow, healthy persons should reduce prolonged or strenuous outdoor physical exertion.

The elderly, pregnant women and children should minimise prolonged or strenuous outdoor physical exertion, while those with chronic lung or heart disease should avoid prolonged or strenuous outdoor physical exertion. Persons who are not feeling well, especially the elderly and children, and those with chronic heart or lung conditions, should seek medical attention.

For updates, visit our NEA website (www.nea.gov.sg), the haze microsite (www.haze.gov.sg), or follow us on NEA Facebook (www.facebook.com/NEASingapore) and NEA Twitter (@NEAsg).