Ecowatch: How the haze can affect you


An aerial view of haze shrouding the area around the Sarawak Legislative Assembly building in Kuching on Sept 1, 2026. Air quality in the state has deteriorated further as smoke from Indonesian forest fires drive up respiratory complaints and send residents scrambling for protective masks. — AFP

WE know the haze is bad for us. But do you know what exactly is in it that has such a terrible effect on human health? Here's an explanation that will hopefully make people quicker to mask up when the skies turn cloudy.

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Air Pollutant Index

Note: API is calculated based on 24hr running average of the most dominant parameter.

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