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Chongqing, China

Jielong · Air quality

Saturday, Oct 31 · Asia/Shanghai

Jielong air quality

US air quality index

102

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
37 µg/m³
PM2.5
39 µg/m³
PM10
39 µg/m³
Ozone
2.7 µg/m³
Nitrogen dioxide
41 µg/m³
Sulfur dioxide
10.3 µg/m³
Carbon monoxide
724.7 µg/m³
European AQI (separate scale)
4