Ships or smoke? Ports under scrutiny for emissions

As haze seasons grow more intense, a new question is emerging: are ship fumes fuelling the air pollution we see in Malaysia? Maritime experts say vessels docking at major ports like Port Klang and Penang could be contributing significantly to local smog. While traditional focus has been on land-based sources such as agriculture, shipping emissions — especially sulphur dioxide and nitrogen oxides — are now under review. These pollutants can linger over coastal areas, mixing with sunlight and forming ground-level ozone. The issue is not just about visibility; it’s about public health, particularly for children and the elderly. Authorities must now assess how much of this pollution comes from ships and whether current regulations are sufficient.

This directly affects daily life in coastal cities where residents breathe air with higher pollution levels. People living near ports or in urban areas feel the impact through respiratory issues, especially during dry seasons. Understanding ship emissions helps communities demand cleaner air and better environmental policies.

If ship emissions are a major factor, current pollution control strategies may be incomplete. This could shift policy focus to include stricter maritime standards, possibly leading to global cooperation on shipping regulations. It also raises awareness about the hidden sources of air quality issues.