Figures & data
Figure 1. Location of the sampling station at Cheras, Kuala Lumpur, and distribution of anthropogenic PM10 emissions (30 min × 30 min resolution) in Southeast Asia in 2006 (data source: Zhang et al., Citation2009).
Table 1. Measurements of precursor gases
Table 2. Summary statistics of measured data at Cheras station, Kuala Lumpur
Figure 2. Time-series plots of PM10, CO, NO, NO2, NOx, SO2, CH4, and NMHC using 1-hr and yearly median for 2004–2011.
Figure 3. Climatic wind stream and velocity at 10 m using ERA interim reanalysis data.
Figure 4. Diurnal plots of PM10, meteorological factors and major air pollutants in 2004–2011 (overall average, weekday [WD], weekend [WE], and WE/WD ratio).
![Figure 4. Diurnal plots of PM10, meteorological factors and major air pollutants in 2004–2011 (overall average, weekday [WD], weekend [WE], and WE/WD ratio).](/cms/asset/1615bb24-cc47-408a-a284-a0509cf44a41/uawm_a_1042094_f0004_b.gif)
Figure 5. Pathways of heterogeneous reactions of atmospheric trace gases.
Figure 6. Mean cluster of HYSPLIT back trajectory plots (500 m above sea level and 12:00 a.m. UTC) annotating MODIS fire hot spot counts.
Figure 7. (a) Loading of PCA factors of PM10 for the period of 2004–2010. (b) The linear correlation plot of measured and predicted PM10.
Figure 8. (a) Contribution of the PM10 sources using PCA-APCS-MLRA. (b) The time series of the predicted contribution of PM10 sources.
