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HJ 633-2012 English PDF (HJ633-2012)

HJ 633-2012 English PDF (HJ633-2012)

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HJ 633-2012: Technical Regulation on Ambient Air Quality Index (on trial)
This Standard specifies classification scheme and calculation methods of ambient air quality index, ambient air quality levels and categories, requirements of publishing content of daily report and real-time report, publishing formats and other relevant information of ambient air quality index. This Standard applies to ambient air quality index.

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