Air quality across Brunei Darussalam remained at moderate levels on Wednesday afternoon, with all four districts recording Pollutant Standards Index (PSI) readings between 51 and 100 at 2pm.
The Department of Environment, Parks and Recreation (JASTRe), Ministry of Development reported a PSI of 69 in Brunei-Muara, 56 in Belait, 70 in Temburong and 60 in Tutong at 2pm.
The latest readings showed mixed changes from 11am, when Brunei-Muara recorded 52, Belait 53, Temburong 51 and Tutong 58, with all four districts also classified as moderate.
Brunei-Muara’s PSI therefore increased by 17 points over the three-hour period, while Temburong recorded the largest rise, climbing 19 points. Tutong edged up by two points, while Belait rose slightly from 53 to 56.
Temburong registered the highest reading at 2pm at 70, followed by Brunei-Muara at 69, Tutong at 60 and Belait at 56.
Under the PSI classification, readings below 50 indicate good air quality, while 51 to 100 is moderate. Readings between 101 and 200 are unhealthy, 201 to 300 very unhealthy and above 300 hazardous.
JASTRe said it will continue monitoring air quality nationwide and issue updates five times daily at 7am, 9am, 11am, 2pm and 4pm throughout the hazy period. Since September 1, PM2.5 concentrations have also been incorporated into the country’s PSI reporting.
The World Health Organization defines PM2.5 as fine particulate matter measuring less than 2.5 micrometres in diameter. The particles can penetrate deep into the lungs and enter the bloodstream, potentially affecting the cardiovascular and respiratory systems.
The Ministry of Health said outdoor activities may continue as usual when PSI levels are moderate. However, children, pregnant women and the elderly are advised to reduce strenuous or prolonged outdoor physical activity, while people with heart or lung conditions should limit such activities.
Those experiencing persistent or worsening coughing, shortness of breath, chest discomfort or breathing difficulties should seek immediate medical attention.
The public is also reminded to avoid open burning and other activities that could worsen haze conditions during the dry period. Bush and forest fires should be reported to the Fire and Rescue Department through emergency line 995, while complaints concerning open burning and requests for health advice can be directed to Talian Darussalam 123.
SOURCE/AUTHOR : BORNEO BULLETIN
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