PM10 / PM2.5 Particulate Matter

Particulate-matter emissions from marine engines. Mass scales roughly linearly with fuel sulphur; residual fuels produce ~10× more PM than LNG.

PollutantsAir quality

Engine typeFuel sulphur% m/mEngine powerkWAnnual hoursh

PM factor: 0.875g/kWh

Annual PM: 42.02t

Essentially all PM from shipping is below 2.5 µm.

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

\text{PM} = B + 1.37 \cdot S\%

Symbol	Meaning	Unit
$PM$	Emission rate	g/kWh
$B$	Base factor by engine type	g/kWh
$S\%$	Fuel sulphur (mass fraction)	%
$m_\text{PM}$	Annual PM mass	t
$P$	Engine power	kW
$h$	Annual hours	h

Source: EMEP/EEA 2023 Guidebook

In short

Particulate-matter emissions from marine engines as a function of fuel sulphur content and engine type.

Learn the theory Engine Performance Monitoring: PMI Systems