Hanoi Declared World's Most Polluted City in 2025
| Aspect | Details |
|---|---|
| Why in News | Hanoi declared the world's most polluted city with PM2.5 levels at 266 µg/m³ |
| Key Date | January 3, 2025 |
| Primary Pollutants | PM2.5 |
| Main Sources | Heavy traffic, industrial emissions, trash burning |
| Health Impacts | Respiratory issues, reduced visibility, especially among elderly and youth |
| Government Initiatives | Promotion of EVs, targets for 100% electric taxis and 50% electric buses by 2030 |
| Key Authority | Deputy Prime Minister Tran Hong Ha |
| Expert Insight | Climate expert Huy Nguyen attributes pollution to weather and pollution sources |
| City | Hanoi |
| Country | Vietnam |