Hanoi Chokes on Smog, Ranks 2nd Globally in Pollution After Delhi

• Hanoi ranks as the world's second most polluted city, trailing only Delhi, with severe smog for over a week.
• Air quality in Hanoi is critically low, with PM2.5 levels significantly exceeding WHO daily exposure limits.
• Residents face breathing difficulties and increased risk of respiratory diseases due to the toxic air.
• Hanoi authorities have advised limiting outdoor activities and may close schools if air pollution worsens.
• Experts attribute Hanoi's pollution to emissions from construction sites, motorbikes, and cars.

Why It Matters: Hanoi's severe air pollution, second globally, threatens health and daily life.