12 Oct 2026, 06:22 PM
CNA Explains: Why PSI and AQI readings differ - and which one should you follow during haze season?
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Asia News Channel
@asianewschannel
While the National Environment Agency uses the 24-hour PSI and 1-hour PM2.5 to track air quality, other online platforms monitor pollution levels differently.
Source Credit: channelnewsasia.com
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