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    2. ?? ??

      PM2.5 ??

      PM2.5(?????)

      'PM2.5'? ????? ??? 2.5???? ??? ??? ??? ???. ??? 10? ??? ????, ??? 2.5μm ??(PM2.5)? ?????? ???. ?????? ?? 2.5μm(??????, 1μm = 1000?? 1μm) ??? ??? ?????? ??? ??? ??? ???, ? ??? ?? ??? ??? ????. ?? ???? ??? ????? ????? ???? ??? ??? ??. ???????????? ?? ????? ?????, ????? ?? ????? ???? ??? ?? ??? ?????? ????.

      PM10(????)

      10μm ??(PM 10)? ????? ????.

      ?? ?? ??(AQI)

      ?? ?? ??(AQI, air-quality index)? ????? ???? ??? ?? ? ? ??? ?? ???????? ??? ???? ?? ????? ???? ???? ??? ?????? ?? ?? ?? ? ?????? ???? ??? ????? ???? .
      冲田杏梨在线