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Zhejiang, China

Shangtian · Air quality

Friday, Nov 13 · Asia/Shanghai

Shangtian air quality

US air quality index

124

Unhealthy for sensitive groups

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150Current category
  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
67 µg/m³
PM2.5
71 µg/m³
PM10
74 µg/m³
Ozone
5 µg/m³
Nitrogen dioxide
35 µg/m³
Sulfur dioxide
7 µg/m³
Carbon monoxide
819 µg/m³
European AQI (separate scale)
4