Category Archives: News

October 4, 2026

Haze Situation Update (04 October 2026)

Singapore, 04 October 2026 – It was dry over Singapore today. As at 5pm, the 1-hr PM_2.5 concentration readings were 41 – 90 µg/m³, in (Band 1, Normal / Band 2, Elevated), and the 24-hr PSI was 73 – 96 in the Moderate range.

Update on Hotspot and Haze Situation

2 Moderate to dense smoke plumes from southern Sumatra continued to drift towards Singapore and the surrounding region. Smoke haze was also observed from fires in Kalimantan.

3 Dry conditions are expected to continue over Singapore and the surrounding region tomorrow. There remains a risk of smoke haze affecting Singapore under the prevailing southeasterly or southwesterly winds. The 24-hr PSI for Singapore is forecast to be in the High Moderate to Low Unhealthy range.

Activity Guidelines

4 The health impact of haze is dependent on one’s health status, the PSI level, and the length and intensity of outdoor activity. For immediate outdoor activities, please check the 1-hr PM2.5 concentration readings and personal guide. Use the 24-hr PSI forecast and corresponding health advisories for planning next day outdoor activities.

5 For updates, visit our haze microsite (www.haze.gov.sg), the NEA website (www.nea.gov.sg), MSS website (www.weather.gov.sg), mobile app (myENV) or follow us on NEA Facebook (www.facebook.com/NEASingapore). For information on the distribution of hotspots detected over the past fortnight in the region, please refer to the ASEAN Specialised Meteorological Centre (ASMC) website at http://asmc.asean.org.

Areas with lighter smoke haze are not indicated as they cannot be clearly discerned from satellite imagery. The full extent of the hotspot and smoke haze situation over Borneo could not be determined due to extensive cloud cover.

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October 3, 2026

Haze Situation Update (03 October 2026)

Singapore, 03 October 2026 – It was fair over Singapore today. As at 5pm, the 1-hr PM2.5 concentration readings were 30 – 56 µg/m³, in (Band 1, Normal / Band 2, Elevated), and the 24-hr PSI was 79 -104 in the Moderate to Unhealthy range.

Update on Hotspot and Haze Situation

2 Moderate to dense smoke plumes from southern Sumatra were observed to drift towards Singapore and the surrounding region. Smoke haze was also observed from fires in Kalimantan.

3 Dry weather conditions are forecast to persist over Singapore and the surrounding region tomorrow. With the prevailing southeasterly or southwesterly winds expected to strengthen, there remains a risk of smoke haze affecting Singapore. The 24-hr PSI for Singapore is forecast to be in the High Moderate to Low Unhealthy range.

Activity Guidelines

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October 2, 2026

Haze Situation Update (02 October 2026)

Singapore, 02 October 2026 – It was dry over Singapore today. As at 5pm, the 1-hr PM2.5 concentration readings were 36 – 70 µg/m³, in (Band 1, Normal / Band 2, Elevated), and the 24-hr PSI was 63 – 79 in the Moderate range.

Update on Hotspot and Haze Situation

2 Moderate to dense smoke plumes from southern Sumatra were observed to drift towards Singapore. Smoke haze was also observed from fires in Kalimantan.

3 Dry conditions are expected to persist over Singapore and the surrounding region tomorrow. Smoke haze could be transported towards Singapore under the prevailing southeasterly or southerly winds. The 24-hr PSI for Singapore is forecast to be in the Moderate to Low Unhealthy range.

Activity Guidelines

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October 1, 2026

Haze Situation Update (01 October 2026)

Singapore, 01 October 2026 – Showers were observed over several parts of Singapore today. As at 6pm, the 1-hr PM2.5 concentration readings were 15 – 31 µg/m3, in Band 1 (Normal), and the 24-hr PSI was 60 – 74 in the Moderate range.

Update on Hotspot and Haze Situation

2 Moderate to dense smoke plumes continued to be observed in southern Sumatra and Kalimantan. Smoke haze from southern Kalimantan was observed drifting towards the vicinity of Singapore.

3 Dry conditions are expected to persist over the southern parts of Sumatra and Kalimantan. Although showers are forecast over Singapore and the surrounding region tomorrow, the prevailing southeasterly or southerly winds could transport smoke haze towards Singapore. The 24-hr PSI for Singapore is forecast to be in the Moderate to Low Unhealthy range.

Activity Guidelines

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Thundery Showers on Some Days in the First Fortnight of October 2026

1 October 2026 – The first fortnight of October 2026 will likely be drier than the previous fortnight. Southwest Monsoon conditions are prevailing over Singapore and the surrounding region and are expected to continue in the coming fortnight, with winds blowing mainly from the southeast or southwest.

2 Fair and warm conditions are expected on several days, particularly during the first week of October 2026. Thundery showers are forecast over parts of the island in the late morning and afternoon on some days. The total rainfall for the first fortnight of October 2026 is forecast to be below average over most parts of the island.

3 Daily maximum temperatures are likely to range between 34 degrees Celsius and 35 degrees Celsius on most days, and could slightly exceed 35 degrees Celsius on a few days. Some nights may be warm and humid, with minimum temperatures remaining above 27 degrees Celsius.

4 For updates of the daily weather forecast, please visit the MSS website (www.weather.gov.sg) or download the myENV app. For updates on the latest haze situation, please refer to the Daily Haze Advisories.

REVIEW OF THE PAST TWO WEEKS (16 – 30 September 2026)

5 Southwest Monsoon conditions prevailed over Singapore and the surrounding region in the second fortnight of September 2026, with winds blowing mostly from the southeast or southwest.

6 Localised short-duration thundery showers fell over parts of the island on several days during the second fortnight of September 2026. There were also a few days when widespread moderate to heavy thundery showers affected Singapore. On 22 September 2026, regional wind convergence brought heavy thundery showers over many areas of Singapore in the afternoon. The highest daily total rainfall for the second fortnight of September 2026 was recorded near Rifle Range Road on that day, at 130.6mm.

7 The second fortnight of September 2026 was warm, with daily maximum temperatures exceeding 34 degrees Celsius on most days. The highest daily maximum temperature of 35.8 degrees Celsius was recorded at Woodlands on 26 September 2026. This tied the record for the highest daily maximum temperature in September, previously recorded at Sembawang Road on 30 September 2016. There were also several nights when minimum temperatures remained above 27 degrees Celsius over many areas of the island.

8 Almost all parts of Singapore recorded above-average rainfall in the second fortnight of September 2026, with only the area around Jurong West recording below-average rainfall. The area around Kranji registered rainfall of 212 per cent above average, and the area around Jurong West registered rainfall of 9 per cent below average.

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CLIMATE STATION STATISTICS

Long-term Statistics for Octorber
(Climatological reference period: 1991 – 2020)

Average daily maximum temperature:	31.8 °C
Average daily minimum temperature:	25.0 °C
Average monthly temperature:	27.9 °C
Average rainfall:	168.3 mm
Average number of rain days:	15

Historical Extremes for October
(Rainfall since 1869 and temperature since 1929)

Highest monthly mean daily maximum temperature:	33.0 °C (2002)
Lowest monthly mean daily minimum temperature:	22.8 °C (1964)

Highest monthly rainfall ever recorded:	497.1 mm (1947)
Lowest monthly rainfall ever recorded:	10.8 mm (2002)

September 30, 2026

Haze Situation Update (30 September 2026)

Singapore, 30 September 2026 – As at 6pm, the 1-hr PM2.5 concentration readings were 6 – 18 µg/m3, in Band 1 (Normal), and the 24-hr PSI was 91 – 112 in the Moderate to Unhealthy range.

Update on Hotspot and Haze Situation

2 There was an improvement in the haze situation today with showers over Singapore and the surrounding region. However, smoke haze from southern Sumatra and Kalimantan was observed to drift towards Singapore.

3 Dry conditions are expected to persist over southern Sumatra and the southern parts of Kalimantan. While showers are forecast over Singapore and the surrounding region tomorrow, the risk of smoke haze affecting Singapore remains under the prevailing southeasterly or southerly winds. The 24-hr PSI for Singapore is forecast to be in the Moderate to Low Unhealthy range.

Activity Guidelines

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September 29, 2026

Haze Situation Update (29 September 2026)

Singapore, 29 September 2026 – It was partly cloudy over Singapore today. As at 6pm, the 1-hr PM_2.5 concentration readings were 44 – 76 µg/m³, in Band 1 (Normal) / Band 2 (Elevated), and the 24-hr PSI was 107 – 153 in the Unhealthy range.

Update on Hotspot and Haze Situation

2 Moderate to dense smoke haze originating from fires in Kalimantan continued to drift towards Singapore. Smoke haze was also observed from fires detected in southern Sumatra.

3 Dry conditions are expected to persist over southern Sumatra and parts of Kalimantan. While showers are forecast over Singapore and the parts of the surrounding regions tomorrow, there remains a risk of smoke haze affecting Singapore under the easterly or southeasterly prevailing winds. The 24-hr PSI for Singapore is forecast to be in the High Moderate to Mid Unhealthy range.

Activity Guidelines

5 For updates, visit our haze microsite (www.haze.gov.sg), the NEA website (www.nea.gov.sg), MSS website (www.weather.gov.sg), mobile app (myEnv) or follow us on NEA Facebook (www.facebook.com/NEASingapore) and NEA Twitter (@NEAsg). For information on the distribution of hotspots detected over the past fortnight in the region, please refer to the ASEAN Specialised Meteorological Centre (ASMC) website at http://asmc.asean.org.

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September 28, 2026

Haze Situation Update (28 September 2026)

Singapore, 28 September 2026 – There were brief showers over the northern and eastern parts of Singapore in the afternoon today. As at 6pm, the 1-hr PM_2.5 concentration readings were 64 – 138 µg/m³, in (Band 2, Elevated), and the 24-hr PSI was 68 – 94 in the Moderate range.

Update on Hotspot and Haze Situation

2 Moderate to dense smoke haze drifted to Singapore from fires in southern Sumatra and Kalimantan.

3 Dry conditions are expected to persist over southern Sumatra and parts of Kalimantan. While some showers are forecast over Singapore tomorrow, there remains a risk of smoke haze affecting Singapore with the prevailing winds expected to blow from the east or southeast. The 24-hr PSI for Singapore is forecast to be in the High Moderate to Mid Unhealthy range.

Activity Guidelines

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September 27, 2026

Haze Situation Update (27 September 2026)

Singapore, 27 September 2026 – Heavy showers fell over Singapore in the late morning and afternoon today. As at 6pm, the 1-hr PM2.5 concentration readings were 12 – 28 µg/m3, in (Band 1, Normal), and the 24-hr PSI was 84 – 123 in the Moderate to Unhealthy range.

Update on Hotspot and Haze Situation

2 Some improvements in the smoke haze situation were observed today due to showers over Singapore and the surrounding region. Dry conditions continued over southern Sumatra and parts of Kalimantan, with moderate to dense smoke plumes observed from fires in these areas.

3 While showers are expected over Singapore and parts of the surrounding region tomorrow, dry conditions are forecast to continue over southern Sumatra and southern Kalimantan tomorrow. With the prevailing winds forecast to blow from the southeast, there remains a risk of smoke haze affecting Singapore. The 24-hr PSI for Singapore is forecast to be in the Moderate to Low Unhealthy range.

Activity Guidelines

4. The health impact of haze is dependent on one’s health status, the PSI level, and the length and intensity of outdoor activity. For immediate outdoor activities, please check the 1-hr PM2.5 concentration readings and personal guide. Use the 24-hr PSI forecast and corresponding health advisories for planning next day outdoor activities.

5. For updates, visit our haze microsite (www.haze.gov.sg), the NEA website (www.nea.gov.sg), MSS website (www.weather.gov.sg), mobile app (myENV) or follow us on NEA Facebook (www.facebook.com/NEASingapore). For information on the distribution of hotspots detected over the past fortnight in the region, please refer to the ASEAN Specialised Meteorological Centre (ASMC) website at http://asmc.asean.org.

Areas with lighter smoke haze are not indicated as they cannot be clearly discerned from satellite imagery. The full extent of the hotspot and smoke haze situation could not be determined due to extensive cloud cover.

– End –

September 26, 2026

Haze Situation Update (26 September 2026)

Singapore, 26 September 2026 – It was dry over Singapore today. As at 5pm, the 1-hr PM2.5 concentration readings were 39 – 66 µg/m3, in (Band 1, Normal / Band 2, Elevated), and the 24-hr PSI was 69 – 93 in the Moderate range.

Update on Hotspot and Haze Situation

2 Moderate to dense smoke haze from fires in Kalimantan drifted towards Singapore. Smoke plumes were also observed to emanate from fires in southern Sumatra.

3 While some showers are forecast over Singapore and parts of the surrounding region overnight and tomorrow, dry conditions are expected to continue over southern Sumatra and the southern and eastern parts of Kalimantan. There could be a risk of smoke haze affecting Singapore as the prevailing winds are forecast to blow from the southeast or southwest. The 24-hr PSI for Singapore is forecast to be in the Moderate to Low Unhealthy range.

Activity Guidelines

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