Vietnam: air pollution news and guides

What is happening to the air in Vietnam, explained with live readings from official monitors. See Vietnam's live AQI →

• SeasonalHanoi's pollution season has begun: why the haze is back and how long it lastsHanoi's air reached US AQI 221 on 14 October 2026 as the smog season began. What causes it, how long it lasts, and what to do on bad days.14 Oct · 5 min read