HAZE SITUATION UPDATE (4 NOVEMBER) 

Singapore, 4 November 2014 – There were showers over parts of Singapore this afternoon. At 7pm today, the 24-hr PSI was 73-81, in the Moderate range. 

2          The total number of hotspots detected in Sumatra today decreased to 124 from 382 yesterday. Smoke haze was visible in southern Sumatra.

3            For tomorrow, the prevailing winds are forecast to blow from the east or northeast. Thundery showers are expected for Singapore in the afternoon. There may be occasional slight haze in the morning under light wind conditions. The 24-hr PSI for Singapore is expected to be in the Moderate range.

4          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. Persons who are not feeling well, especially the elderly and children, and those with chronic heart or lung conditions, should seek medical attention. Given the air quality forecast for the next 24 hours, everyone can continue with normal activities.

5          With the improvement in the haze situation, NEA will discontinue issuing this ad-hoc Haze Forecast and Health Advisory after today. 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). NEA will continue to monitor the weather and haze situation in the region, and update the public when necessary.


Forecast

PSI Updates
at 10pm on 24 Nov 2014

24-hr PSI: 48 - 55
3-hr PSI: 44

PSI Readings

Note: Air quality based on PSI is as follows:

PSI Value Air Quality Descriptor
0 - 50 Good
51 - 100 Moderate
101 - 200 Unhealthy
201 - 300 Very unhealthy
Above 300 Hazardous

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