Over 20 percent of air quality predictions last year incorrect: report
Social affairsApr 1, 2018
Over 20 percent of air quality predictions in Seoul issued by the Environment Ministry‘s National Institute of Environmental Research last year were incorrect, said Rep. Choi Do-ja of Bareun Mirae Party, who obtained the data from the ministry Sunday. Seoul’s Namsan Tower is blanketed in thick smoke. (Yonhap)According to Choi’s press release, 487 of the 2,384 predictions for the next day’s PM10 and PM2.5 density levels -- density of particulate matter smaller than 10 and 2.5 micrometers in diam