A duty forecaster at the Brunei Meteorological Department , Nurulinani Haji Jahari , said heavy thunderstorms would do little to relieve the hazy conditions .
Westerly winds were still expected to continue bringing more smoke from Kalimantan and Sumatra .
A duty forecaster at the Brunei Meteorological Department , Nurulinani Haji Jahari , said heavy thunderstorms would do little to relieve the hazy conditions because westerly winds were still expected to continue bringing more smoke from Kalimantan and Sumatra .