3%), wheezing (Several.3%) and hacking and coughing (10%). The results of knowledge number of daycare revolves in Kl, Selangor as well as Hulu Langat varied in between 629-830 ppm, 587-823 ppm as well as 600-830 ppm regarding Carbon level, as well as Sixty.80-78.58 mu g/m(3), 60.9080.Fifty mu g/m(Several) and 59.90-79.12 mu g/m(Three or more) regarding PM10 level. The statistical analysis#links# f