MANILA, Philippines (Update 1, 4:36 p.m.) — Eleven of the cities in Southeast Asia with cleanest air are in the Philippines, with Calamba in Laguna taking the top spot.
This is according to Switzerland-based IQ AirVisual and Greenpeace’s 2018 Air Quality Report, which measured the amount of fine particulate matter known as PM2.5 (µg/m³) in cities in 73 countries.
PM2.5 is a particulate matter (ambient airborne particles), which measures up to 2.5 microns in size and causes a wide range of short and long term health effects. Common sources of PM include combustion as well as through other pollutants reacting in the atmosphere.
The Philippines ranked 48th on the list with an average of 14.6 µg/m³ of PM2.5, classified as “moderate.” The country fared better than its Southeast Asia counterparts such as Singapore, Cambodia, Thailand, Vietnam and Indonesia.
Read more: Philippine Star
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