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Shanghai, China

Wanxiang · Air quality

Friday, Oct 30 · Asia/Shanghai

Wanxiang air quality

US air quality index

127

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
50 µg/m³
PM2.5
56 µg/m³
PM10
62 µg/m³
Ozone
27 µg/m³
Nitrogen dioxide
62.3 µg/m³
Sulfur dioxide
22 µg/m³
Carbon monoxide
550 µg/m³
European AQI (separate scale)
4