Haze forecast and health advisory for Aug 21

Haze forecast and health advisory for Aug 21

SINGAPORE - The National Environment Agency (NEA) has released a health advisory and haze forecast for August 21, 2013.

Here is the full statement from the NEA:

The 24-hr PSI for the next 24 hours is expected to be in the Good band (i.e. ≤50). The 24-hr PM2.5 is expected to be slightly elevated. There may be slightly hazy conditions in the morning. All persons can continue with normal activities.

Haze forecast

As at 4pm today, the 24-hr PSI is 30-37 and the 24-hr PM2.5 is 19-24 µg/m3.

The total number of hotspots detected in Sumatra today is 29, compared to 82 hotspots yesterday. However, due to extensive cloud cover in the central and northern regions of Sumatra, we cannot be certain of the exact situation. Nevertheless, recent showers over central and southern Sumatra would have helped to further subdue the hotspot activities there.

Over the next few days, low level winds over Singapore are expected to blow from south-southeast or south-southwest. Singapore may experience slightly hazy conditions in the morning due to the accumulation of particulate matter under light wind conditions. For 21 Aug 2013, thundery showers are forecast over Singapore in the late morning and early afternoon.

The 24-hr PSI for the next 24 hours is expected to be in the higher end of the Good band (i.e. ≤50). The 24-hr PM2.5 is expected to be slightly elevated.

NEA will update the public if there are any changes in the haze situation.

Health advisory (August 20 2013, 6pm to August 21, 2013, 6pm)

Based on the 24-hr PSI and 24-hr PM2.5 forecast, the health advisory for this period corresponds to the PSI <100 band in the MOH Health Advisory for the General Public and Workers, as follows:

Healthy persons: Normal activities

Elderly, pregnant women, children: Normal activities

Persons with chronic medical conditions especially lung or heart disease: Normal activities

Persons who are not feeling well should seek medical attention.

Note: The health impact of haze is dependent on one's health status, the PSI (Pollutant Standards Index) level, and the length and intensity of outdoor activity.

Reducing outdoor activities and physical exertion can help limit the ill effects from haze exposure. The MOH health advisory for general public and workers provides general advice on the preventive measures that can be taken to reduce the health impact of haze when the air quality is poor. Persons who are not feeling well, especially those with chronic heart or lung conditions, should seek medical attention.

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