The latest aviation weather report at the Hong Kong International Airport issued by the Hong Kong Observatory at 17:03 HKT on 24 Aug 04

METAR VHHH 0900 10005KT 4400 -SHRA FEW016 SCT030 31/26 Q1001 TEMPO 4000 SHRA=

If you need help decoding this go to http://www.hko.gov.hk/aviat/decode_metar_e.htm

4400 meters vis translates to 2.7SM...

You should see all the pollution in the air!