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Ninh Binh, Vietnam

Ngô Đồng · Air quality

Sunday, Nov 15 · Asia/Bangkok

Ngô Đồng air quality

US air quality index

79

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  3. Unhealthy for sensitive groups101–150
  4. Unhealthy151–200
  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
6 µg/m³
PM2.5
12 µg/m³
PM10
16 µg/m³
Ozone
86.7 µg/m³
Nitrogen dioxide
1.3 µg/m³
Sulfur dioxide
3 µg/m³
Carbon monoxide
176 µg/m³
European AQI (separate scale)
4