Journal of Shipping and Trade

Table 5 Total air emissions of anchored ships and ships outside SAQA from 2019 to 2021 in the average waiting time (wt) in December (in tons)

From: Acute port congestion and emissions exceedances as an impact of COVID-19 outcome: the case of San Pedro Bay ports

December (wt)	PM₁₀	PM_2.5	NO_x	SO_x	CO₂	Total
2019 (0 days)	0.0	0.0	0.0	0.0	0.0	0.0
2020 (3 days)	0.4	0.3	17.4	0.7	1,570.8	1,589.6
2021 (4 days)	2.1	2.1	107.7	4.2	9,710.2	9,826.3

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