sgairquality

Live PSI Singapore measures

Singapore haze measures and policy, 2026

What the government has announced, what kicks in at each PSI level, and where to find official updates. NEA's outlook and the headlines below refresh every 30 minutes.

Latest NEA outlook

24-hr PSI forecast: Unhealthy

Singapore, 11 October 2026 – Showers were observed over the northwestern parts of Singapore today. As at 6pm, the 1-hr PM2.5 concentration readings were 39 – 111 µg/m3, in (Band 1, Normal / Band 2, Elevated), and the 24-hr PSI was 112 – 155, in the Unhealthy range.

Smoke haze from southern Sumatra and West Kalimantan was observed to drift towards Singapore.

Showers are forecast over Singapore and parts of the surrounding region. However, dry conditions are expected to continue over parts of southern Sumatra and Kalimantan. Under the prevailing southeasterly or southerly winds, smoke haze may continue to drift towards Singapore. The 24-hr PSI for Singapore is forecast to be in the Unhealthy range.

From NEA's haze situation update, 11 Oct, 6:19pm. Full advisory on haze.gov.sg

What happens at each PSI level

TriggerMeasureAgency
24-hr PSI above 100NEA issues a daily haze advisory with a 24-hour PSI forecast, and the Haze Task Force activates its plansNEA, Haze Task Force
During any haze episodeSchools follow their haze management plans. Every MOE classroom has an air purifierMOE
During any haze episodeEmployers assess risk for outdoor work, provide suitable masks and keep at least a week of N95 stockMOM
24-hr PSI very unhealthy (201–300)People's Association grassroots groups distribute N95 masks to vulnerable residents through vending machines at transport hubs, Social Service Offices and PA venuesPA, NEA
Next-day forecast hazardous (above 300)MOE considers closing schoolsMOE
PSI above 400MOM notes N95 masks may not protect enough for prolonged outdoor workMOM

Health advice

NEA health advice by 24-hour PSI (summarised)
24-hour PSIHealthy peopleElderly, pregnant women, childrenPeople with chronic lung or heart disease
0–100 Good to moderateNormal activitiesNormal activitiesNormal activities
101–200 UnhealthyReduce long or strenuous outdoor exertionMinimise long or strenuous outdoor exertionAvoid long or strenuous outdoor exertion
201–300 Very unhealthyAvoid long or strenuous outdoor exertionMinimise outdoor activityAvoid outdoor activity
Above 300 HazardousMinimise outdoor activityAvoid outdoor activityAvoid outdoor activity

Anyone feeling unwell, especially the elderly, children and people with chronic heart or lung disease, should see a doctor. Full guidance: haze.gov.sg.

Latest Singapore headlines

Key events

  1. Haze lingers over Singapore on Grand Prix race day

    Air quality stayed unhealthy on Sunday 11 October. At 5pm the 24-hour PSI ranged from 113 to 154 across the island, while 1-hour PM2.5 ranged from 50 to 113.

    Read on CNA

  2. Central PSI reaches 192, the worst reading of 2026

    By 6pm on 9 October the 24-hour PSI hit 192 in the central region, 187 in the west, 167 in the south, 166 in the east and 135 in the north. All five regions were in the unhealthy band.

    Read on Bernama

  3. Haze Task Force readies N95 mask distribution and school closure rules

    If the PSI enters the very unhealthy range, People's Association grassroots groups will hand out N95 masks to vulnerable residents, collectable with an NRIC from vending machines at transport hubs, Social Service Offices and PA venues. MOE will consider closing schools when the next day's forecast is hazardous (PSI above 300). Employers who still need staff outdoors are urged to provide N95 masks.

    Read on Mothership

  4. Singapore Grand Prix runs with haze contingency plans

    The Singapore Tourism Board worked with the race promoter and the Haze Task Force on tiered plans tied to PSI and PM2.5 levels, including on-site medical help and N95 masks for spectators if needed.

    Read on Bernama

  5. NEA traces smoke to Sumatra and West Kalimantan

    NEA's advisory said moderate to dense smoke plumes from southern and central Sumatra and West Kalimantan were drifting towards Singapore, with dry weather expected to persist over the fire areas.

    Read on Malay Mail

  6. First all-unhealthy forecast since advisories began

    For the first time since daily advisories started on 4 September, NEA forecast the PSI to sit entirely within the unhealthy band of 101 to 200.

    Read on The Star

  7. PSI turns unhealthy and the Haze Task Force activates

    The 24-hour PSI entered the unhealthy range at 7am on 4 September, its first unhealthy reading since 8 October 2023. The 28-agency Haze Task Force activated its action plans and NEA began daily advisories with a 24-hour PSI forecast.

    Read on Bernama

  8. What schools and employers must do during haze

    Every classroom in MOE primary and secondary schools, junior colleges, MOE Kindergartens and SPED schools has an air purifier. MOM reminded employers to follow its haze guidelines and tripartite advisories. N95 masks are not needed for short exposure such as commuting.

    Read on NEA

  9. Minister outlines tiered haze response in Parliament

    Minister Grace Fu said the Haze Task Force was convened in April to put response plans on standby. Plans are tiered and switch on at set 24-hour PSI thresholds, guided also by satellite hotspot data, wind and rainfall forecasts.

    Read on MSE

  10. MOM tells employers to stock a week of N95 masks

    Employers should carry out haze risk assessments, keep at least a one-week supply of N95 masks, provide masks for outdoor work and take a flexible approach to leave during haze episodes.

    Read on HRO

Official sources