Haze in Singapore: Can Children Play Outside? A PSI Guide

Children can keep normal outdoor play while the 24-hour PSI is 100 or below. Once it enters the Unhealthy range (101–200), NEA and MOH advise children to minimise prolonged or strenuous outdoor physical exertion, and at Very Unhealthy (201–300) to minimise outdoor activity altogether; for a child with asthma or another chronic lung or heart condition, the advice at each level is to avoid rather than minimise. Use the 24-hour PSI forecast to plan tomorrow’s park, pool or football, and the 1-hour PM2.5 band to decide whether to go out in the next hour.

This guide is about play, sport and days out. For what schools and preschools do during haze, MOE’s closure rule and government N95 masks for children, see our separate guide to haze school closures and MOE’s plan. Readings change through the day, so the figures below are a dated snapshot: check NEA’s newest update first.

Which reading should I check: the 24-hour PSI or the 1-hour PM2.5?

Both, for different jobs. NEA’s air pollution FAQs say the 24-hour PSI forecast is less volatile, so use it to plan the next day. The 1-hour PM2.5 reading is for immediate decisions, such as whether to go for a walk or run now, which NEA likens to checking the weather for that hour. NEA’s picnic example: defer it if the forecast trends Unhealthy or worse; if Good or Moderate, plan on, then check the 1-hour reading on the day and switch to an indoor activity if needed.

NEA treats 1-hour PM2.5 of 55 µg/m3 and below as Normal (Band 1) and 55 to 150 µg/m3 as Elevated (Band 2). The Education Minister’s 16 October 2026 remarks give the next two ranges as High, 151 to 250, and Very High, 251 and above.

Readings are reported for five regions, and NEA’s list of town centres helps match a reading to an outing: East Coast is in the East; the City and Marina South (Esplanade, Gardens by the Bay) are in the South; Bishan and Ang Mo Kio are in the Central region; Jurong East and Jurong West are in the West; Punggol is in the North. Mandai is not on the list, and NEA says to use the region closest to you.

Do not judge by the sky: NEA says poor visibility does not mean the air is more polluted. It calls its own data the official air quality information for Singapore.

Can my child play outside? A decision grid by PSI band

MOH’s table, as NEA publishes it, has three columns: healthy persons, “elderly, pregnant women, children”, and persons with chronic lung disease or heart disease. The page gives no age for “children”. In our reading, every child sits in the second column, and a child with asthma (which NEA’s FAQs list among chronic lung conditions) or another chronic heart or lung condition belongs in the third, stricter column. NEA defines prolonged as continuous exposure for several hours, strenuous as involving a lot of energy or effort, minimise as do as little as possible and avoid as do not do.

The wording for each child group below is MOH’s, as NEA publishes it. The “Family action” is our suggestion, not an official instruction.

• 24-hour PSI 0–100 (Good or Moderate). Any child: normal activities. Child with a chronic lung or heart condition: normal activities. Family action: keep the outing, then check the 1-hour band before you leave.
• 101–200 (Unhealthy). Any child: minimise prolonged or strenuous outdoor physical exertion. Child with a condition: avoid it. Family action: keep it short and gentle, a walk rather than a football match or a three-hour playground session; for the child with a condition, keep any outdoor time brief and easy, or swap to an indoor plan.
• 201–300 (Very Unhealthy). Any child: minimise outdoor activity. Child with a condition: avoid outdoor activity. Family action: swap to the indoor plan and keep outdoor time to short, necessary trips.
• Above 300 (Hazardous). Any child: avoid outdoor activity. Child with a condition: avoid outdoor activity. Family action: stay in, going out only when you must.

For “right now”, NEA’s daily updates add the 1-hour PM2.5 check. The 16 October update gives this advice for children, and for children with a chronic lung or heart condition; the 14 October update words the High band the same way:

• Band 1 (Normal): the updates add nothing for this band, so follow the forecast advice (our reading).
• Band 2 (Elevated): avoid strenuous outdoor activity for the next hour.
• Band 3 (High): avoid all outdoor activity for the next hour; the 16 October update adds that they may wear a mask to reduce exposure.
• Band 4 (Very High): the updates we read give no separate wording, so treat it as at least as strict as Band 3 (our reading) and check NEA’s current advisory.

NEA says to refer to the 1-hour PM2.5 for immediate activities and the 24-hour PSI forecast to plan ahead. It does not say what to do when the two point different ways. Our suggestion, not NEA’s: follow the stricter of the two, since NEA says 1-hour readings can fluctuate through the day.

An illustrative example. This family is fictional. They have a five-year-old and an eight-year-old with asthma, and scooters at East Coast Park planned for Sunday morning. On Saturday evening NEA’s forecast is Unhealthy, so they plan an 8.30am check of the East region’s reading, with a library visit as the swap, and apply the eight-year-old’s stricter column to both children: nothing prolonged, nothing strenuous. At 8.30am the reading is Band 1, so they scoot gently for under an hour with the inhaler in the bag. Had it been Band 2, nobody would have raced that hour; at Band 3 they would have gone straight to the library. For what suits the eight-year-old, their doctor’s advice comes before any general table.

What about sports, swimming lessons and days out?

The table is about effort and time outdoors, so it applies to a weekend football session or an outdoor swimming lesson as much as to a playground (our reading). At 101–200, “minimise prolonged or strenuous” rules out a long or hard session for any child and an outdoor one for a child with a condition; at 201–300 the advice is to minimise outdoor activity of any kind. Ask the coach or swim school what it does on Unhealthy days before you go, since the pages we read set no rules for private classes.

For days out, check the operator’s own notice as well as NEA’s:

• Mandai’s wildlife parks: from 1 October to 14 November 2026 Mandai advises guests to limit prolonged or strenuous outdoor activity, “with extra care for children, older adults and those with heart or lung conditions”, and points to haze.gov.sg. A zoo day is several hours mostly outdoors, so on our reading it fits a Good or Moderate forecast better than an Unhealthy one.
• Esplanade: its advisory says some outdoor performances may be cancelled if conditions reach unhealthy levels, and points to its social channels for updates. A free outdoor show is a short, seated activity (our reading), but check before you travel.
• Parks and water play: NParks pages carry their own closure notices; our guide to family places closed on Mondays lists the days and hours of the main children’s gardens and water play areas.

Is staying indoors enough?

Staying indoors helps but does not remove exposure. NEA’s FAQs list staying indoors and reducing physical activity among their tips for the home, but its Managing Haze page says fine particles enter air-conditioned buildings through the fresh air intake and through openings and gaps, and indoor levels can build up to unhealthy levels. The FAQs suggest closing doors and windows when the outdoor air quality appears to be worsening, reducing other indoor sources such as cigarettes and candles, and using a portable air purifier, with HEPA filters preferred.

That also shapes the swap. Our inference from the advice to reduce physical activity: on an Unhealthy day a calm indoor plan, such as the library or crafts, suits better than a high-energy one. For ideas, build your list from our guide to a Plan B for family outings, or see our guide to choosing an indoor playground and our Esplanade with kids guide. NEA’s 14 October update says air-conditioned rooms at Community Clubs and selected Residents’ Committee and Residents’ Network Centres have been set up as haze shelters.

On masks, NEA’s FAQs say there are currently no international certification standards, such as N95, for masks in children, because those standards apply to adults. Since 14 October, Singaporean children aged 7 to 16 can collect government N95 masks at Community Clubs; our haze school closures guide has the details. We would ask a doctor before relying on a mask for a child (our suggestion).

What should I check before we leave?

Copy this into your family chat, or add it to the ten-minute evening reset. The timing and the turn-around signal are our suggestions, built on NEA’s guidance.

• Evening before: read NEA’s newest update, note the forecast 24-hour PSI range and decide: keep, shorten or swap.
• 30 to 45 minutes before leaving (our suggestion): check the 1-hour PM2.5 band for the region you are going to. Band 1: go ahead within the forecast advice. Band 2: no strenuous outdoor activity for the next hour. Band 3 or 4: stay in for the next hour.
• Which column: any child, or a child with asthma or another chronic lung or heart condition?
• Operator notice: Mandai’s haze notice, Esplanade’s advisory, or the club’s or swim school’s message.
• Bag: prescribed medication such as an inhaler, water (NEA advises drinking plenty), and the swap’s address saved on your phone.
• Turn-around signal (our suggestion): coughing, eye, nose or throat irritation, or any difficulty breathing means stop. NEA’s 4 September release says vulnerable people, children among them, who develop symptoms or feel unwell should seek medical attention promptly, and its FAQs say there may be up to 1–3 days between exposure and symptoms.

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