 The unpredictable winds in the pre-monsoon period could bring haze from either Sumatra or Kalimantan.Air quality remained in the moderate range for the next week until 14 October, when the 3-hour PSI readings gradually increased from 53 at 6 a.m. to peak at an unhealthy 116 at 10 p.m.This time, majority of the haze came from Kalimantan.