???・ｱ???・?・??????????・??????ｷ???・ｱ?????1?､ｧ?-|(University of Leicester)???????-|?????????????ｧ??-|??????Julian Tang・ｨ?､o???・?・?90%?????????・????・?・???o?ｰ??????-?????????????????3??????・ｨ??????・???????・?・???????????､ｧ?ｨ??o|??ｰ????ｰ???????・?・???o?ｰ??????-???・ｱ??????????????ｨ?ｱ?(Health and Safety Executive)隗?????????o隹??3???????・??????????????ｷ?????oo????????o?ｰ????・????????o?????ｧ?5??ｰ8?????????・??????ｨ?2??????o??ｨ・?・??????ｰ??1??????????????ｨ?ｱ???o・?????ｰ??????????・'・?・?10???・?????????1?????o?ｰ?・ｨ・?????-､?､?????o??ｰｧ?????3????????ｨ?????ｨ?o?・????・?・????・???????・'??????????????ｷ??????・1??3?o??????､・??????o?ｰ?????????ｨ???????|??????ｱ?????ｰ??????????????-??????????????ｰ?????ｨ?????ｰ????ｰ??????????・'・??????o?ｰ?????????ｨ?????????・､???・'90%??o??|??????????ｰ??o?・?・??2????・?・1???・ｨ??ｨ??????・?????????????????????ｱ???????????????(International Journal of Environmental Research and Public Health)??????????????????・?・ｨ?､o???・??ｧ?・??､????????o??????????????a?・?・???'?????????
・??o????・???????・??????????????????????・ｨ????????ｨ????????ｰ???・o??????????????ｨ??ｨ???・???????????????????・?・???o?ｰ???????・??､???1??'??a??､?????o・'・?・???o?ｰ???1??????・??､?・??????ｰ???・､??o??|??????????ｰ??o?・????????ｰ???????・?・???o?ｰ??????-???
???・??????????・??????????・??o?????????????????ｷ2??ｨ???????????ｰ・???ｰ?o???ｨ???・a??ｰ???・o??????????????????????????ｨ????､ｧ???????13??ｰ??????????ｧ??????ｷ?????o?ｰ?????????ｨ・????・????・????・????????????????????????o?ｰ?????????ｨ?-???ｨ???????????o・ｷ???・???????・??????????????-､?????ｨ?ｧ?????????ｰ???・??????ｨ??ｨ??????????ｧ???'???・??????o?ｰ?????????o?o????・???????・??ｰｱ?????ｱ??-????oo????????????・??|??-??????????????????o?ｰ?????????o???
???・??|??-?????????ｱ????ｱｱ????ｧ?????????ｰ??????????1??????????・???ｧ???????oｷ???・???????????????????????ｧ???????驂?????????ｨ???・????????ｧ??????????????????????・??|??-????????ｷ2????????ｰ???・1??????????????ｰ・?????o?a?????????'?a?????a??・??|??-?????'?a???????ｷ???????oｷ?1??????????????ｰｧ??ｧ?????o?ｰ?????????????・???????????､ｧ???・??????1????1??????????????????????????????-?????????・ｨ?????????・??|??-?????????ｨ30m?3??o・'???1?ｰ???????????????-????ｰｱ・3???・???ｰ99.99%???2?ｰ????・ｨ・?????????-?'???????・?99.14%,????????????・??|??-????????????ｨ8??a?ｰ????????????o?ｰ???-PM2.5・??2???????????????????・?・?99.79%??????・??|??-???ｷ?????o?ｰ??????????・????・??､?????????o?ｰ???-?????2・?????ｰｨ?ｰ????・???????????ｰ???????・??-????
???・??|??-???????・???ｨ???・????・??|??-?????????ｨ???・??､???????????????､??'?????o・'?????ｰ・??|??-?????o|2500??a/cm?3???????????????・??????a??､?????????????ｰｧ??ｧ??????・??????o?oo??????????????????・?????????ｱ?o??oo?ｷ??????????????､?・?????o|・??|??-???????????oｧ???・-?ｰｧ???・?・-?ｰｧ??1?oo????????????・?????????､??3?????????・??|??-??????????????????ｰ隗???3?o?・-?ｰｧ・????・?・??????ｨ?ｧ??-|????????ｰ?????????・??|??-????????ｰ??､a・3?????-????'??､??o????隹ｱ???・??|??-????・-?ｰｧ???・､???????????ｨ???・?・??|??-????????o|????'???ｧ???????????????・､?o?・-?ｰｧ???・?????-?????oｧ?o?・??|??-??????ｷ???????????ｨ???????-､?????o?o????・??|??-???????????????????・????????????o?????????????????????・??､????・?????oｷ・?・??????'?????o・'?????????・??????ｷ????2?????????3????oo???・????・??????o?､ｧ???・????????????-???????-???1??1???
?????????・???ｨ???・??|??-????????????????・????????????o?????????????ｷ2??????????o???ｨ??ｰ?ｰ??ｱ3????????o???・?・???????・?・??-????????????????????????o・'????????ｰ?o???3・???3?????????・?????????o?ｰ?・ｨ・?・?・?????1???o????ｷ????・??o??????a????oｷ?????????????????????・?・???????????????????
?????o???・??|??-????????????????・???????・???ｧ???????oｷ????????o?､ｧ????ｧ?????????????????????????・?・ｷ?????????・??oｧ????､o・???????????????????・??oｧ????????????????????????・???ｰ?????????????????-??????????????ｰ・????1000??o????1??????????・??oｧ????､o・???????????1??????????・??oｧ???・???1?????､?????????・ｷ???????????-??????????-?????|???????・???????・??|??-?????????o??????・??|??-??????????????1????・､???????1??3??o???ｨ????????a??ｨ??ｰ????????o?-???ｨ??ｨ・??????????・??1????????oｷ???????????????????????o??o?????????・???????・????・??????????・??3??'?隹??????ｱ???・????????????????????????o・????