Research Article

Morphological and Chemical Properties of Particulate Matter in the Dammam Metropolitan Region: Dhahran, Khobar, and Dammam, Saudi Arabia

Figure 3

(a) PM10 concentration in Dhahran L1: Location 1, L2: Location 2, and L3: Location 3, DOY: day of the year, (b) PM10 concentration in Khobar L1: Location 1, L2: Location 2, and L3: Location 3, and (c) PM10 concentration in Dammam L1: Location 1, L2: Location 2, and L3: Location 3.
(a) Dhahran  Oct. 2015
(b) Khobar Oct. & Nov. 2015
(c) Dammam Nov. & Dec. 2015