Date of Issue Alert Level Details
07 Dec 2018 Level 1

Start of Dry Season for the Northern ASEAN Region

With the onset of the dry season, isolated hotspots with localised smoke plumes have been detected in the Mekong sub-region in the past few days. Based on surveillance by the NOAA-19 satellite, there were 20 and 157 hotspots detected in Mekong sub-region on 5 and 6 December 2018 respectively.

The prevailing Northeast Monsoon is expected to persist until March 2019. Occasional extended periods of dry weather may lead to an increase in hotspot activities in the northern ASEAN region during this period.

18 Oct 2018 Level 0

Downgrade of Alert Level from 1 to 0 for the southern ASEAN region

With the onset of inter-monsoon conditions in mid-October 2018, the southern ASEAN region, including Sumatra and Kalimantan has been experiencing an increase in shower activities.

The number of hotspots detected in Sumatra and Kalimantan has remained low in recent days. Based on surveillance by the NOAA-19 satellite, no hotspots were detected in Sumatra, and 6 and 0 hotspots were detected in Kalimantan on 17 and 18 Oct 2018 respectively. No significant smoke haze was observed in the region.

More rainy weather can be expected over the region with a gradual transition to the Northeast Monsoon season in the coming weeks. Hotspot activities in the southern ASEAN region are expected to remain generally subdued. While isolated hotspots may still emerge during brief periods of dry weather, these hotspots are likely to be localised and short-lived.

02 Sep 2018 Level 1

Downgrade of Alert Level from 2 to 1 for the southern ASEAN region

In the past week, there has been an improvement in the hotspot and haze situation in Sumatra and Kalimantan due to increased shower activities. No significant smoke haze has been observed in the region in recent days. Visibility and air quality readings across the region have been good in general.

Based on surveillance by the NOAA-19 satellite, 11 and 1 hotspots were detected in Sumatra, and 22 and 3 hotspots were detected in Kalimantan on 31 Aug and 1 Sep respectively. This is a significant reduction from an earlier dry period in mid-August where the number of hotspots exceeded 100 in Kalimantan on several days.

Over the next one to two weeks, rainy weather is forecast over most parts of Sumatra and Kalimantan, with brief, interspersed periods of dry weather in the southern parts of Sumatra and Kalimantan. Hotspot activities in the southern ASEAN region are thus expected to be generally subdued during this period.

13 Aug 2018 Level 2

Activation of Alert Level 2 for the southern ASEAN region

Dry weather over the weekend has led to some deterioration of the haze situation in Sumatra and Kalimantan. The latest daytime satellite images show slight to moderate smoke haze from clusters of hotspots over peatlands in northern Riau being blown by the prevailing southwesterly winds toward the Strait of Malacca. In West Kalimantan, moderate to dense smoke haze from persistent hotspots has been observed, and the prevailing winds could blow the haze toward western Sarawak. In central Sarawak, smoke plumes could also be observed in the vicinity of hotspots.

Based on surveillance by the NOAA-19 satellite, 29 hotspots were detected on 11 August 2018 and 62 on 12 August 2018 in Sumatra. In Kalimantan, 2 hotspots were detected on 11 August 2018 and 3 on 12 August 2018 (the low hotspot count on both days was due to a partial satellite pass). There has also been a deterioration in the air quality in parts of Kalimantan and visibility in Pontianak has been reduced to 4 km due to haze conditions since this morning.

In the next several days, the prevailing dry weather and winds are expected to persist over Sumatra and Borneo. Notwithstanding the current relatively low hotspot count in Sumatra and Kalimantan, the expected dry weather and wind conditions could lead to the occurrence of transboundary smoke haze in some parts of the region.

31 Jul 2018 Level 1

Downgrade of Alert Level from 2 to 1 for the southern ASEAN region

In recent days, increased shower activities have helped to subdue hotspot activities in Sumatra and Kalimantan. Based on surveillance by the NOAA-19 satellite, 6 and 0 hotspots were detected in Sumatra, and 9 and 10 hotspots were detected in Kalimantan on 29 and 30 July 2018 respectively. No significant smoke haze was observed in the region.

In the next two weeks, shower activities are forecast for most parts of the southern ASEAN region, and this will help subdue hotspot activities in the region

17 Jul 2018 Level 2

Activation of Alert Level 2 for the southern ASEAN region

Increased hotspot activities were observed in Kalimantan and Sumatra recently due to drier weather prevailing over the region last week. Isolated hotspots and localised smoke plumes were detected in Sarawak, West, Central and South Kalimantan in the past few days. In Sumatra, a cluster of hotspots was observed in northern Riau. The smoke plumes were being blown northward by the prevailing winds over the Strait of Malacca. Based on surveillance by the NOAA-19 satellite, 6 and 12 hotspots were detected in Sumatra, and 11 and 1 hotspots were detected in Sarawak and Kalimantan on 15 and 16 July 2018 respectively.

Dry weather conditions are expected to persist for most parts of the southern ASEAN region in the coming weeks, and this could lead to further escalation of hotspot activities in the fire-prone areas.

08 Jun 2018 Level 1

Start of Dry Season for the southern ASEAN region

In the past week, dry conditions brought on by the Southwest Monsoon were observed over many parts of the southern ASEAN region. Isolated hotspots have been detected in Peninsular Malaysia and Sumatra in the last few days. Based on surveillance by the NOAA-19 satellite, 8 and 5 hotspots were detected in Sumatra, and 5 and 3 hotspots were detected in Peninsular Malaysia, on 6 and 7 June 2018 respectively.

The prevailing Southwest Monsoon is expected to last till October 2018. Extended periods of drier weather can be expected occasionally, and this can lead to an increase in hotspot activities in the fire-prone areas.

16 May 2018 Level 0

Downgrading of Alert Level 1 to Alert Level 0 for the northern ASEAN region

The northern ASEAN region has been experiencing an increase in shower activities in the past several days.

Based on surveillance by the NOAA-19 satellite, there has been a significant decrease in the number of hotspots detected in the Mekong sub-region including Cambodia, Myanmar, Lao PDR, Thailand and Vietnam over the past week. A total of 52 and 28 hotspots were detected on 14 and 15 May 2018 respectively in the Mekong sub-region.

Wet weather conditions are expected over the northern ASEAN region for the rest of the month, with more shower activities forecast when the Southwest Monsoon onsets in June 2018. Hotspot activities are likely to remain subdued, although isolated hotspots may still be detected occasionally.

20 Apr 2018 Level 1

Downgrading of Alert Level 2 to Alert Level 1 for the northern ASEAN region

With the onset of the inter-monsoon season in late-Mar/early-Apr, the northern ASEAN region has been experiencing a gradual increase in rainfall. Over the past few days, hotspots detected over the Mekong sub-region have decreased due to increased shower activities in the region. Based on surveillance by the NOAA-19 satellite, a total of 53 and 20 hotspots were detected in the Mekong sub-region including Cambodia, Myanmar, Lao PDR, Thailand and Vietnam on 18 and 19 Apr 2018 respectively.

More wet weather can be expected for the northern ASEAN region in the coming weeks. Hotspot activities in the Mekong sub-region are expected to be generally subdued. Occasional isolated hotspots may still be detected during brief periods of dry weather.

07 Feb 2018 Level 2

Activation of Alert Level 2 for the northern ASEAN region

With dry weather conditions prevailing in the northern ASEAN region, the satellite monitoring by NOAA-19 has detected an escalation of hotspot activities in the northern ASEAN region, in particularly in Cambodia, Thailand and Myanmar. A total of 398 and 449 hotspots were detected in the northern ASEAN region on 5 and 6 February 2018 respectively. In recent days, smoke plumes and haze from persistent hotspot clusters have been observed in parts of Cambodia and Thailand.

The prevailing dry weather conditions in the northern ASEAN region are forecast to continue till early April 2018, and further escalations of hotspot activities can be expected in the region in the coming weeks.

15 Jan 2018 Level 1

Start of dry season for the northern ASEAN region

In the past week, ASMC's monitoring has detected an increase in hotspot activities in the Mekong sub-region, mainly in Cambodia and Thailand. Based on surveillance by the NOAA-19 satellite, 28 and 4 hotspots were detected in the Mekong sub-region on 14 and 15 January 2018 respectively.

The prevailing Northeast Monsoon conditions are expected to persist until March 2018, and dry weather conditions are expected in the northern ASEAN region. An increase in hotspot activities can be expected during extended dry periods.

27 Oct 2017 Level 0

End of dry season for the southern ASEAN region

With the onset of inter-monsoon conditions in mid-October 2017, the southern ASEAN region has been experiencing an increase in shower activities. Bases on surveillance by the NOAA-19 satellite, 8 and 2 hotspots were detected in Sumatra, while 0 and 6 hotspots were detected in Kalimantan, on 25 and 26 October 2017 respectively.

Increased in rainfall can be expected over the region with gradual transition to the Northeast Monsoon season in the coming weeks. This will help to further subdue the hotspot activities in Sumatra and Kalimantan.

07 Jun 2017 Level 1

Start of dry season for the southern ASEAN region

The Southwest Monsoon onset in the region in late May 2017. Over the past few days, the region including Sumatra and Kalimantan has been experiencing dry weather conditions. The number of hotspots in Sumatra and Kalimantan has remained low but is expected to increase as the dry season progresses. Based on surveillance by the NOAA-19 satellite, 12 and 14 hotspots were detected in Sumatra on 6 and 7 June 2017 respectively.

The prevailing Southwest Monsoon is expected to strengthen and persist over the next few months. During this period, extended periods of drier weather can be expected, which could lead to elevated hotspot activities in the fire-prone areas.

09 May 2017 Level 0

End of Dry Season for the northern ASEAN region

The northern ASEAN region has been experiencing an increase in shower activities since late April 2017. Over the past several days, showers in the Mekong sub-region have helped to subdue hotspot activties there. Based on surveillance by the NOAA-19 satellite, a total of 24 and 11 hotspots were detected in the Mekong sub-region including Cambodia, Myanmar, Lao PDR, Thailand and Vietnam on 7 and 8 May 2017 respectively.

In the coming weeks, more shower activites are expected over the northern ASEAN region with the transition to the Southwest Monsoon season in June 2017. Hotspot activities in the Mekong sub-region are expected to be generally subdued.

28 Feb 2017 Level 2

Activation of Alert Level 2 for the northern ASEAN region

With dry weather conditions prevailing in the northern ASEAN region, our satellite monitoring by NOAA-19 has detected an escalation of hotspots with 144 and 121 hotspots detected on 26 and 27 February 2017 respectively in Thailand, Cambodia, Vietnam, Lao PDR and Myanmar. Smoke plumes and haze from persistent clusters of hotspots have been observed particularly in Myanmar, Thailand and Cambodia over the past few days.

The prevailing dry weather conditions in the northern ASEAN region are forecast to persist into March 2017, and further escalations of hotspot activties can be expected in the region in the coming weeks.

03 Feb 2017 Level 1

Start of dry season for the northern ASEAN region

In the past week, our monitoring has detected an increase in hotspot activities in the Mekong sub-region, mainly in Cambodia and Thailand.

The prevailing Northeast Monsoon conditions are expected to persist until March 2017, bringing drier weather conditions to the northern ASEAN region. An increase in hotspot activities can be expected particularly during persistent dry periods.

28 Oct 2016 Level 0

End of dry season for the southern ASEAN region

Over the past weeks, shower activities have continued to subdue the hotspot and haze situation in the region, including the fire-prone provinces of Sumatra and Kalimantan. Based on surveillance by the NOAA-19 satellite, 0 and 0 hotspots were detected in Sumatra, while 4 and 2 hotspots were detected in Kalimantan, on 26 and 27 October 2016 respectively.

In the coming weeks, increased rainfall can be expected over the region with the gradual transition to the Northeast Monsoon season. This will help to further subdue the hotspot activities in Sumatra and Kalimantan.

26 Sep 2016 Level 1

Downgrade of Alert 2 to Alert 1 for Kalimantan

Over the past few days, increased shower activities have helped to alleviate the hotspot and smoke haze situation over Kalimantan. Based on surveillance by the NOAA-19 satellite, 0 and 7 hotspots were detected in Kalimantan on 24 and 25 September 2016 respectively. Shower activities are forecast for parts of Kalimantan over the next few days and hotspot activities are expected to be gradually subdued.

16 Aug 2016 Level 2

Upgrade of Alert Level 1 to Alert Level 2 for Kalimantan

Drier weather conditions over the region in the recent days have led to an increase in the number of hotspots in western Kalimantan. Our latest monitoring from NOAA19 Satellite, 49 and 79 hotspots were detected in Kalimantan on 15 and 16 August 2016 respectively. Smoke plumes and haze were visible from some of the hotspots.

Over the next few days, dry weather conditions are forecast for the southern ASEAN region. Under the prevailing southeasterly to southwesterly wind conditions, transboundary smoke haze could affect parts of the region if hotspot activities in Kalimantan persist and escalate further.

30 Jun 2016 Level 1

Start of dry season for the southern ASEAN region

The Southwest Monsoon onset in the region in early June 2016. Over the past few days, the region including Sumatra and Kalimantan have been experiencing dry weather conditions, signaling the start of the traditional dry season in the southern ASEAN region. Hotspot counts in Sumatra and Kalimantan have remained low in the last few weeks, but are expected to increase as the dry season progresses. On 28 and 29 June 2016, ASMC's monitoring has detected 3 and 9 hotspots respectively in central Sumatra.

The prevailing Southwest Monsoon is expected to strengthen and persist over the next few months. During this period, extended periods of drier weather can be expected, which could lead to elevated hotspot activities in fire-prone areas.

20 May 2016 Level 0

End of dry season for the northern ASEAN region

The northern ASEAN region has been experiencing an increase in shower activities with the onset of the Inter-monsoon season in late April 2016. Over the past few days, the showers in the Mekong sub-region have helped to subdue hotspot activities there. Based on surveillance by the NOAA-19 satellite, a total of 22 and 37 hotspots were detected in the Mekong sub-region including Cambodia, Myanmar, Lao PDR, Thailand and Vietnam on 18 and 19 May 2016 respectively.

In the coming weeks, more showers activities are expected over the region with the transition to the Southwest Monsoon season around mid-June 2016. Hotspot activities in the Mekong sub-region are expected to be generally subdued.

29 Mar 2016 Level 2

Upgrade of Alert Level 1 to Alert Level 2 for the northern ASEAN region

With dry weather conditions prevailing in the northern ASEAN region, our satellite monitoring by NOAA18 has detected an escalation of hotspots with 212 and 1127 hotspots detected on 27 March 2016 and 28 March 2016 respectively in Thailand, Cambodia, Vietnam and Lao PDR. In Myanmar, 151 and 126 hotspots were detected on 27 Mar 2016 and 28 March 2016 respectively. In recent days, smoke plumes and haze from persistent clusters of hotspots have been observed in parts of Thailand, Cambodia, Lao PDR and Myanmar.

The prevailing dry weather conditions in the northern ASEAN region are forecast to continue till early April 2016, and further escalations of hotspot activities can be expected in the region in the coming weeks.

23 Dec 2015 Level 1

The traditional dry season in the northern ASEAN region has started

In the past week, ASMC monitoring has detected an increase in hotspot activities in the Mekong sub-region, mainly in Thailand and Cambodia. The prevailing Northeast Monsoon conditions are expected to strengthen and persist for the next few months, bringing drier weather conditions to the northern ASEAN region. An increase in hotspot activities can be expected particularly during persistent dry periods.

13 Nov 2015 Level 0

The traditional dry season in the southern ASEAN region has ended

With the onset of Inter-Monsoon conditions in the past week, increased showers have been experienced over the southern ASEAN region. 3 and 0 hotspots were detected in Sumatra, and 6 and 0 hotspots were detected in Kalimantan, on 11 and 12 November 2015 respectively. In the coming weeks, more shower activities are expected over the region. Hotspot activities in Sumatra and Kalimantan are expected to be subdued due to the wet weather.

08 Nov 2015 Level 1

Downgrade of Alert Level 2 to Alert Level 1 for the southern ASEAN region

Increased shower activities have further helped to alleviate the hotspot and smoke haze situation over Sumatra and Kalimantan. 3(45) and 0(9) hotspots were detected in Sumatra (Kalimantan) on 6 and 7 November 2015 respectively. Shower activities are forecast over most parts of the region for the next few days, and this would help subdue the hotspot activities and further ease the haze situation in Sumatra and Kalimantan.

02 Nov 2015 Level 2

Downgrade of Alert Level 3 to Alert Level 2 for Sumatra and Kalimantan

Over the past days, increased shower activities have helped to alleviate the hotspot and smoke haze situation over Sumatra and Kalimantan. However, hotspot activities continue to be observed in parts of southern Sumatra and Kalimantan. Based on surveillance by the NOAA-18 satellite, 50(0) and 106(0) hotspots were detected in Sumatra (Kalimantan) on 31 October and 1 November 2015 respectively.

Shower activities are forecast for parts of the region over the next few days. However, drier weather conditions are expected to continue over southern Sumatra and southern Kalimantan, and an increase in hotspot activities can be expected.

08 Sep 2015 Level 3

Upgrade of Alert Level 2 to Alert Level 3 for Kalimantan

The prevailing dry weather in Kalimantan has led to a further escalation of hotspot activities there in recent weeks. Persistent hotspot clusters with widespread moderate to dense haze have been detected mainly in the western, southern and central parts of Kalimantan. Based on surveillance by the NOAA-18 satellite, 401 and 333 hotspots were detected in Kalimantan on 4 September and 5 September respectively. Although the hotspot counts have since decreased, widespread haze continue to persist in large parts of Kalimantan. Some haze from Kalimantan has spread to the western parts of Sarawak and affected the air quality there.

In the coming days, the current dry weather conditions over Kalimantan are expected to persist. Under the prevailing wind conditions, transboundary smoke haze could continue to spread to Sarawak and other parts of the region.

02 Sep 2015 Level 3

Upgrade of Alert Level 2 to Alert Level 3 for Sumatra

In the past week, the prevailing dry weather has led to a further escalation of hotspot activities over Sumatra. Increasing hotspot clusters and widespread moderate to dense smoke haze have been detected in southern and central Sumatra. Based on surveillance by the NOAA-18 satellite, 222 and 380 hotspots were detected in Sumatra on 31 August and 1 September respectively. In recent days, the smoke haze from Sumatra has spread to some parts of the region including western Peninsular Malaysia and affected the air quality there.

In the coming days, the current dry weather conditions over southern and central Sumatra are expected to persist. Under the prevailing southeasterly to southerly wind conditions, transboundary smoke haze could continue to spread to some parts of the region.

18 Aug 2015 Level 2

Upgrade of Alert Level 1 to Alert Level 2 for Sumatra and Kalimantan

Drier weather conditions over the region in the past few days have led to an escalation in the number of hotspots in Jambi and South Sumatra, as well as in West and Central Kalimantan. 42(116) and 242(146) hotspots were detected in Sumatra and Kalimantan on 18(17) August. Smoke plumes and moderate haze were visible from some of the hotspots.

Dry weather conditions are likely to persist in Sumatra and Kalimantan. Under the prevailing southeasterly or southwesterly wind conditions, transboundary smoke haze is likely to affect other parts of the region should the hotspot activities continue to persist.

23 Jun 2015 Level 1 The dry season for the southern ASEAN region has started

The Southwest Monsoon has onset in the region in early June 2015. In recent days, the region including Sumatra and Kalimantan have been experiencing dry weather conditions, signalling the start of the traditional dry season in the southern ASEAN region.

The prevailing Southwest Monsoon is expected to persist over the next few months. The prevailing El Nino could also exacerbate the dry season. During this period, extended periods of drier weather can be expected, which could lead to elevated hotspot activities in the fire-prone areas.
21 May 2015 Level 0

The traditional dry season of the northern ASEAN region has come to an end

  Increased shower activities have helped subdue hotspot and smoke haze situation over the northern ASEAN region. The number of hotspots detected over northern ASEAN has reduced significantly over the past few days. With rainy conditions expected over the Mekong sub region in the coming months.
26 Apr 2015 Level 1

Downgrade of Alert Level 2 to Alert Level 1 for the northern ASEAN region

Increased shower activities have helped to alleviate the hotspot and smoke haze situation over most parts of the northern ASEAN region. 26 and 31 hotspots were detected in the Mekong Sub-Region on 24 and 25 April 2015 respectively. Shower activities are forecast to prevail over the northern ASEAN region in the coming weeks, which will help to subdue hotspot activities.

22 Jan 2015 Level 2

Upgrade of Alert Level 1 to Alert Level 2 for northern ASEAN region

The prevailing dry weather conditions in the northern ASEAN region have led to a build-up of smoke haze over parts of the region in recent days. There has been an escalation in hotspot activities with 1321 and 1118 hotspots detected on 20 and 21 January 2015 respectively in Thailand, Cambodia, Vietnam and Lao PDR.

In Cambodia, smoke haze from persistent clusters of hotspots has been observed in large areas particularly in the northern and central parts of the country. In Thailand, scattered hotspots were detected mainly in the northern and central parts of the country.

With the current dry season in the northern ASEAN region expected to continue into March/April 2015, further escalation of hotspot activities can be expected in the region in the coming weeks.