What PSI level prompts public haze advisories?

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A PSI reading exceeding 100 triggers daily haze advisories.

The National Environment Agency (NEA) in Singapore will issue daily haze advisories if the 24-hour Pollutant Standards Index (PSI) enters the unhealthy range, specifically exceeding 100. These advisories are intended to inform the public about the air quality and assist them in planning daily activities.
Haze Action Plans are Ready

Singapore's Haze Task Force has its haze action plans prepared for activation. The NEA is continuously monitoring the air quality situation and will disseminate further information as needed. As of 1pm on a Sunday, the 24-hour PSI in the Central region of Singapore was recorded at 81, which falls within the moderate category.
Conditions Contributing to Haze Risk

Recent dry weather conditions have contributed to an increase in the number of hotspots observed. Smoke plumes have been detected over areas of Sumatra and Kalimantan. Prevailing southeasterly winds, especially from southern Sumatra, could transport this smoke towards Singapore.
Forecasted Conditions and Continued Monitoring

The forecast indicates that dry conditions are expected to persist over the next week. This continuation of dry weather could elevate the risk of haze if the existing fires continue. The NEA remains vigilant in its monitoring of these developments.

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What PSI level prompts public haze advisories?

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