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One City, Two AQI Numbers: Why Delhi's Air Pollution Readings Differ Across Websites

NDTV Profit ·First reported
NDTV ProfitOne City, Two AQI Numbers: Why Delhi's Air Pollution Readings Differ Across Websites
Image: NDTV Profit

An AQI converts a dust reading into a score from 0 to 500. Each country builds its scale around its own safe limits, so the same air gets a different score.

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