SG PSI | UwU Apps

Lowest to highest across the five regions.

NEA's health advisory for the 24-hour PSI. More at haze.gov.sg.

Fine particles, the main part of haze. The hourly reading moves faster than the 24-hour PSI, so a change shows here first.

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Each pollutant gets its own index on the PSI scale. A region's PSI is its highest sub-index, marked in each column.

The measurements behind the sub-indices, each averaged over the period NEA uses for it.

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