Brunei Darussalam has been ranked the second lowest polluted country in the world with Pollution Matter 2.5 (PM 2.5) mean annual exposure and just 5.9 microgrammes per cubic metre (μg/m3), according to Oxford University’s Our World in Data platform.
The lowest polluted country is Finland with (5.86μg/m3) and just three deaths per 100,000. This is closely followed by the Sultanate (5.96μg/m3), Sweden (6.18μg/m3), Canada (6.43μg/m3) and Iceland (6.48μg/m3).
PM2.5 refers to tiny particles that are less than 2.5 micrometres in diameter, about one ten-thousandth of an inch. The World Health Organization (WHO) states that annual average concentrations of PM2.5 should not exceed 5µg/m3.
More details on Weekend’s Borneo Bulletin
