Singapore air quality today
Highest 24-hour PSI across the island right now
Healthy people should cut down on long or strenuous outdoor activity. Children, the elderly and pregnant women should keep it to a minimum, and people with heart or lung conditions should avoid it.
Live West highest. Island range 124–173. NEA reading for 13 Oct, 2pm. Last refreshed 13 Oct, 2:07pm
Readings by region
24-hour PSI drives NEA's health advice. 1-hour PM2.5 shows what the air is like this hour.
| Region | 24-hr PSI | 1-hr PM2.5 µg/m³ | 24-hr PM2.5 µg/m³ | 24-hr PM10 µg/m³ | 8-hr O₃ µg/m³ |
|---|---|---|---|---|---|
| West | 173 Unhealthy | 122Band II Elevated | 125 | 158 | 20 |
| Central | 166 Unhealthy | 100Band II Elevated | 117 | 147 | 38 |
| East | 153 Unhealthy | 90Band II Elevated | 105 | 148 | 36 |
| South | 133 Unhealthy | 85Band II Elevated | 86 | 119 | 36 |
| North | 124 Unhealthy | 54Band I Normal | 77 | 94 | 45 |
PSI over the last 24 hours and the next 3 days
Solid line: highest regional 24-hour PSI reported by NEA. Dashed line: our model estimate. Shaded bands mark the PSI categories.
Haze forecast
Estimated daily peak PSI. Treat this as a guide and follow NEA's official forecast alongside.
- Loading forecast…
Wind for the next 24 hours
SSE winds, 5–15 km/h. Thundery Showers.
NEA's official outlook
24-hr PSI forecast: Unhealthy
Singapore, 12 October 2026 – Showers fell over parts of Singapore today. As at 7pm, the 1-hr PM2.5 concentration readings were 93 – 135 µg/m3, in (Band 2, Elevated), and the 24-hr PSI was 118 – 155, in the Unhealthy range.
Moderate to dense smoke plumes continued to be observed from fires in Kalimantan and southern Sumatra. Under prevailing southeasterly winds, smoke haze was observed drifting towards Singapore.
While some showers are expected over Singapore and parts of the surrounding region, dry conditions are forecast to persist over parts of southern Sumatra and Kalimantan. Smoke haze may continue to drift towards Singapore under the prevailing easterly or southeasterly winds. The 24-hr PSI for Singapore is forecast to be in the Unhealthy range.
Fires and smoke around Singapore
Satellite hotspots and smoke haze areas mapped by NEA, refreshed every 30 minutes. Winds from the south and south-east carry this smoke to Singapore.
The map loads when you scroll here.
- Fire hotspot (NEA satellite detection, 12 Oct, 4:20pm)
- Moderate smoke haze
- Dense smoke haze
- Singapore 24-hr PSI
PSI this haze season
The haze situation now
At 13 Oct, 2pm, the 24-hour PSI ranged from 124 to 173 across Singapore, in the unhealthy range, and NEA forecasts it to be unhealthy over the next 24 hours. NEA's latest satellite pass found 744 hotspots in the region, 237 in Kalimantan and 254 in Sumatra.
- PSI first crossed into the unhealthy band on 4 September 2026, the first time since October 2023. Daily NEA haze advisories have been issued since then.
- Smoke is drifting in from fires in southern and central Sumatra and from Kalimantan, carried by south-easterly and southerly winds.
- A very strong El Niño and a positive Indian Ocean Dipole have kept the region dry. Forecasters expect the dry season to end only in late October or early November.
- In Malaysia, schools have closed across Kuala Lumpur, Selangor, Johor and four other areas, and a state of emergency was declared in Serian, Sarawak, in September.
Latest haze headlines
Updated every 30 minutes from news across the region.
Singapore
- Sumatra Fire Hotspots Surge to 3,663 as Haze Triggers Flight Delays
- Singapore air quality remains unhealthy as haze persists
- Singapore, Brunei sign pact to strengthen supply chain resilience
- Singapore Haze Law: Indonesian Firms Could Face Penalties Over Cross-Border Pollution
- Singapore Haze Response: N95 Vending Machines Ready if PSI Exceeds 200
Indonesia
- Sumatra Fire Hotspots Surge to 3,663 as Haze Triggers Flight Delays
- ASEAN to discuss haze from Indonesia fires ahead of summit
- 'We assume the best of them': M'sia DPM says no reply from Indonesia so far on offers of assistance for haze
- Malaysia to raise transboundary haze issue at ASEAN — Channel NewsAsia
- We are not angry enough! Part 3 – Who will stop Southeast Asia’s forest fires?
Malaysia
- Johor police deploy 13 district control centres statewide to assist in haze monitoring
- Malaysia haze: School closures and reopening updates
- 'Zombie fires' ravage Indonesia's peatlands, spreading toxic haze across region
- Haze: 19 areas record unhealthy air quality, eight in Johor
- Klang Valley air quality moderate as haze persists
Key events
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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.
SingaporeRead on CNA
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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.
SingaporeRead on Bernama
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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.
SingaporeRead on Mothership
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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.
SingaporeRead on Bernama
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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.
SingaporeRead on Malay Mail
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Indonesia logs 20,946 hotspots, most in Central Kalimantan
The Forestry Ministry's SiPongi system detected 20,946 hotspots in 24 hours, 1,202 of them high confidence. Central Kalimantan led with 7,309, followed by South Papua and South Sumatra.
IndonesiaRead on Katadata
What to do at each PSI level
| 24-hour PSI | Healthy people | Elderly, pregnant women, children | People with chronic lung or heart disease |
|---|---|---|---|
| 0–100 Good to moderate | Normal activities | Normal activities | Normal activities |
| 101–200 Unhealthy | Reduce long or strenuous outdoor exertion | Minimise long or strenuous outdoor exertion | Avoid long or strenuous outdoor exertion |
| 201–300 Very unhealthy | Avoid long or strenuous outdoor exertion | Minimise outdoor activity | Avoid outdoor activity |
| Above 300 Hazardous | Minimise outdoor activity | Avoid outdoor activity | Avoid outdoor activity |
1-hour PM2.5 bands
| Band | 1-hr PM2.5 (µg/m³) | Use it for |
|---|---|---|
| I Normal | 0–55 | Deciding on activities in the next hour or so |
| II Elevated | 56–150 | |
| III High | 151–250 | |
| IV Very high | 251 and above |
Haze questions
What is the PSI in Singapore?
The Pollutant Standards Index is the air quality index used by Singapore's National Environment Agency. It combines six pollutants: PM2.5, PM10, ozone, carbon monoxide, sulphur dioxide and nitrogen dioxide. Each one gets a sub-index and the PSI is the highest of them. During haze, PM2.5 almost always sets the PSI.
What PSI level is unhealthy?
A 24-hour PSI of 0 to 50 is good and 51 to 100 is moderate. 101 to 200 is unhealthy, 201 to 300 is very unhealthy, and anything above 300 is hazardous.
Should I look at the 24-hour PSI or the 1-hour PM2.5?
Use the 24-hour PSI and NEA's forecast to plan the next day, and follow the health advice for that band. Use the 1-hour PM2.5 reading to decide on something you are about to do right now, such as a run.
Is it safe to exercise outdoors during the haze?
At an unhealthy PSI, healthy adults should cut down on long or strenuous outdoor exercise. Children, the elderly and pregnant women should keep it to a minimum, and people with heart or lung conditions should avoid it. At very unhealthy levels, everyone should avoid strenuous outdoor activity.
Do I need an N95 mask?
Not for short exposure such as commuting or walking between buildings, or when you are indoors. An N95 mask helps if you must spend long periods outdoors when the PSI is unhealthy or worse. N95 masks are not designed for young children, and the elderly, pregnant women and people with heart or lung conditions should ask a doctor first.
When do schools close in Singapore because of haze?
MOE considers closing schools when the next day's 24-hour PSI forecast is hazardous, above 300. In 2015, MOE primary and secondary schools, special education schools and kindergartens closed for one day. Every MOE classroom now has an air purifier.
Where does the haze come from?
Mostly from forest and peatland fires in Indonesia, especially southern and central Sumatra and Kalimantan, many started to clear land. From August to October, south-easterly and southerly winds carry the smoke towards Singapore and Peninsular Malaysia.
Why is the haze so bad in 2026?
A very strong El Niño, sometimes called a Godzilla or super El Niño, and a positive Indian Ocean Dipole have made the region hotter and drier, so fires spread faster and burn longer. Forecasters expect the dry spell to end in late October or early November.
How often does this page update?
Every 30 minutes. The PSI and PM2.5 readings are pulled straight from NEA in your browser, and the site itself rebuilds every 30 minutes with NEA's latest forecast, satellite hotspots, smoke haze areas and news headlines. NEA publishes new readings every hour.
How is the haze forecast on this page made?
It takes hourly PM2.5 forecasts from the CAMS global atmospheric model (via Open-Meteo), scales them to match the latest NEA readings, and converts the result to the PSI scale. It is an estimate, not an official forecast. NEA's daily advisory is the official one.