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Figure 2: Dimensional types of particulate matter: These are ultrafine particulate matter (PM0.1) with an aerodynamic diameter less than 0.1 μm, fine particulate matter (PM1) between 0.1 and 2.5 μm, and coarse particulate matter (PM10) between 2.5 and 10 μm

Figure 2: Dimensional types of particulate matter: These are ultrafine particulate matter (PM0.1) with an aerodynamic diameter less than 0.1 μm, fine particulate matter (PM1) between 0.1 and 2.5 μm, and coarse particulate matter (PM10) between 2.5 and 10 μm