Hanoi Tops List of World’s Most Polluted Cities

In January 2025, Vietnam's capital, Hanoi reached an alarming PM2.5 levels, prompting urgent calls for action to combat severe air pollution.

Key Points:

High PM2.5 Levels: AirVisual reported Hanoi’s PM2.5 levels at 266 micrograms per cubic meter, making it the world’s most polluted city.
Pollution Sources: Heavy traffic, trash burning, and industrial activities are cited as the primary contributors to the hazardous air quality.
Health Impact: Elderly residents report respiratory difficulties, while younger individuals express concerns over reduced visibility and potential health risks.
EV Transition Targets: By 2030, Hanoi aims for 50% of buses and all taxis to be electric, as part of its strategy to curb emissions.
Economic Context: As a fast-growing manufacturing hub, Vietnam faces challenges in balancing economic growth with environmental sustainability.
Public Call for Action: Authorities emphasized the need for immediate and concrete measures to protect public health and improve air quality.