How does wind direction impact haze reaching Singapore?

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Southeasterly Winds Contribute to Haze Reaching Singapore

Prevailing southeasterly winds play a significant role in the transport of smoke plumes towards Singapore. Recent dry conditions have exacerbated the situation by increasing the number of hotspots, particularly in Sumatra. This combination of factors means that smoke originating from these areas can be carried over to Singapore.
Monitoring of Air Quality and Hotspots

Singapore's National Environment Agency (NEA) is actively monitoring the haze situation and the number of hotspots in the region. The agency stated that its Haze Task Force is prepared to implement established haze action plans if air quality deteriorates to unhealthy levels.
Impact of Dry Conditions on Hotspots

The current dry spell in the region has contributed to a rise in the number of hotspots. These dry conditions are anticipated to persist over the coming week, potentially increasing the risk of haze if fires continue.
Wind Direction and Smoke Plume Transport

The NEA specifically noted that smoke plumes observed over parts of Sumatra and Kalimantan could be transported towards Singapore. This transport is facilitated by the prevailing southeasterly winds, with a particular mention of smoke originating from southern Sumatra.
Air Quality Index and Public Advisories

As of Sunday at 1pm, Singapore's 24-hour Pollutant Standards Index (PSI) in the Central region was recorded at 81, which falls within the moderate range. Should the 24-hour PSI exceed 100 and enter the unhealthy range, the NEA will commence issuing daily haze advisories. These advisories will include a 24-hour PSI forecast to assist the public in planning their activities.

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How does wind direction impact haze reaching Singapore?

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