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. 2019 Jan 30;5(1):eaau8066. doi: 10.1126/sciadv.aau8066

Fig. 2. Aerosol chemical composition during SAPOEX-16.

Fig. 2

Fractional mass contribution of measured chemical species in PM2.5 over Delhi (n = 15) and BCOB (n = 24) and PM1 over MCOH (n = 43) during the SAPOEX-16 campaign. Synoptic period refers to the period when air masses from the IGP exiting Bay of Bengal passed over the northern region of Maldives (MCOH), as evidenced in the BTs (fig. S1). Relative air mass cluster contribution at each site revealed this period to be between 2 and 31 January 2016 (fig. S2). The mass fraction of the WS inorganic ions is corrected for contribution from sea salt.