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Thai Nguyen, Vietnam

Phổ Yên · Air quality

Friday, Nov 6 · Asia/Bangkok

Phổ Yên air quality

US air quality index

62

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
17 µg/m³
PM2.5
19 µg/m³
PM10
19 µg/m³
Ozone
93.3 µg/m³
Nitrogen dioxide
6.3 µg/m³
Sulfur dioxide
21.3 µg/m³
Carbon monoxide
191.3 µg/m³
European AQI (separate scale)
2