REVIEW OF REGIONAL HAZE SITUATION IN ASEAN REGION (October 2022)
Southwest Monsoon conditions transitioned to the inter-monsoon in late October 2022. Rainy conditions observed over most parts of the ASEAN region in October 2022, except for parts of northeastern Mekong sub-region. In the 3rd week of October, Typhoon Nesat made landfall in the Philippines and increased rainfall over central Viet Nam. The southern ASEAN region experienced continued shower activities in October signaling the end of its traditional dry season.
The overall hotspot activity in the ASEAN region was subdued under wet weather conditions. Majority of the hotspots in the Mekong sub-region were detected in Viet Nam. The hotspot counts for most of ASEAN region were generally lower or comparable to the counts in previous years. On most days, no smoke plumes were observed.