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Jiangsu, China

Guanyinsi · Air quality

Monday, Nov 2 · Asia/Shanghai

Guanyinsi air quality

US air quality index

135

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
42 µg/m³
PM2.5
47 µg/m³
PM10
50 µg/m³
Ozone
8.3 µg/m³
Nitrogen dioxide
37 µg/m³
Sulfur dioxide
7.7 µg/m³
Carbon monoxide
521 µg/m³
European AQI (separate scale)
4