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Hanoi, Vietnam

Vân Đình · Air quality

Sunday, Nov 15 · Asia/Bangkok

Vân Đình air quality

US air quality index

156

Unhealthy

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150
  4. Unhealthy151–200Current category
  5. Very unhealthy201–300
  6. Hazardous301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

All pollutants

PM1
91 µg/m³
PM2.5
97 µg/m³
PM10
97 µg/m³
Ozone
8 µg/m³
Nitrogen dioxide
30 µg/m³
Sulfur dioxide
24 µg/m³
Carbon monoxide
781 µg/m³
European AQI (separate scale)
5