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Last Updated: 19 July 2023

Haze management measures

Learn about the school continuity plan during haze situations.

We have a school continuity plan to:

Our students' well-being remains a key priority, and teachers will be on the lookout for students who are unwell or have pre-existing lung or heart conditions.

As children respond differently to haze, parents should ensure that their children always have their medication, such as inhalers for asthma, with them, or arrange to care for them at home. They should also take their children to seek medical attention if they are unwell.

Learn about our haze management measures:


For MOE Kindergartens, primary schools, secondary schools and special education schools

Continuity plan

Schools have a haze management plan and are ready to implement the appropriate measure as required. Schools would also adjust the level and nature of their activities based on the 1hr-PM2.5 readings, which may change throughout the day. A broad overview is as follows:

 24-hour Pollutant Standards Index (PSI) forecast Measures
< 100 (Good or moderate) 

Continue with normal activities

Note: While the health advisory provides general precautionary advice, everyone's reaction to pollutants may vary. The amount of physical activity or exertion that can be performed also differs according to your health status or capacity. Persons who are feeling unwell, especially the elderly and children, and those with chronic lung or heart conditions, should seek medical care.
 101 – 200 (Unhealthy)
  • Schools will avoid outdoor physical activities that will involve a lot of energy or effort and continuous exposure for several hours.
  • Students who are unwell, or have pre-existing lung or heart conditions, will be exempted from all outdoor physical activities.
  • Air purifiers to be turned on in an enclosed indoor space.
  • Students and staff who are unwell will be temporarily accommodated in an air-conditioned room with an air purifier, before they are taken to seek medical attention. Parents of these students will be notified.
 201 – 300 (Very unhealthy)
  • Schools will avoid outdoor activities and indoor physical activities.
  • All students will be in an enclosed indoor space with air purifiers.
  • Students and staff who are unwell will be temporarily accommodated in an air-conditioned room with an air purifier, before they are taken to seek medical attention. Parents of these students will be notified.

Note: All classrooms have air purifiers.
 > 300 (Hazardous)

If PSI reaches ‘Hazardous' level during school hours:

  • Schools will avoid outdoor and indoor physical activities and scale down lessons.
  • All students will be in an enclosed indoor space with air purifiers.
  • Students and staff who are unwell will be temporarily accommodated in an air-conditioned room with an air purifier, before they are taken to seek medical attention. Parents of these students will be notified.

School closure

We will consider closing schools when the air quality forecast for the next day is ‘Hazardous' (24-hour PSI>300). The closure will be announced at around the same time that the health advisory is released. Schools will contact parents to inform them.

We seek parents' and employers' understanding that relatively short notice could be given for any announcements of school closure. We encourage parents to make care arrangements in advance for such an eventuality. Parents who are unable to make alternative care arrangements may continue to send their children to school, and teachers will supervise them. School-based student care centres will continue to operate for their existing students.

For junior colleges, Millennia Institute and post-secondary education institutions

We work closely with junior colleges, Millennia Institute and post-secondary education institutions (PSEIs) to ensure the well-being of their students. They are ready to respond and take appropriate haze management measures based on the health advisories issued by the Ministry of Health (MOH) corresponding to the air quality. If necessary, outdoor activities may be replaced with alternative indoor arrangements, postponed or cancelled.

The considerations for closure of these institutions are different as the students are older, and most of the teaching and learning takes place in enclosed indoor spaces, such as lecture theatres.

For national examinations

National examinations will be rescheduled if schools are closed. The announcement would be made with announcements on school closure. School candidates will be informed through their schools. Private candidates will be informed by the Singapore Examinations and Assessment Board (SEAB).

While schools remain open and the national examinations proceed as scheduled, the safety and well-being of all candidates remain our top priority. Schools have made arrangements for all candidates to take their papers in enclosed spaces with air purifiers so that the examinations will not be disrupted if the haze condition worsens drastically during the examination.

Candidates with underlying medical conditions, or feel unwell, should seek medical attention. Those who are medically certified unwell and unable to sit for the examinations should inform their schools. Private candidates can inform SEAB via this online feedback form. Processes are in place for dealing with candidates who are ill during the examinations. The same procedure will be activated for students who are unable to take the examinations due to haze-related illnesses. All candidates will be fairly assessed.