Thread: China march 2014 trip report Shanghai and Beijing

Originally Posted by offroader

ddagencylv, PVG pollution is not bad compared to PEK. Last month in PEK the ppm numbers were in the 800-900 range, on Thursday of our trip it was around 300ppm, Friday and Saturday were lower (did not check online, just going off of seeing blue sky). Just to note, here in SLC on bad days in the winter the ppm count gets up around 300.

OK so that's triple SLC on a bad day? I saw vids where it looked like MEX , LAX , ONT circa 1988. Got to think about that..