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Hunan, China

Pantang · Air quality

Saturday, Nov 7 · Asia/Shanghai

Pantang air quality

US air quality index

112

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
58 µg/m³
PM2.5
61 µg/m³
PM10
64 µg/m³
Ozone
1 µg/m³
Nitrogen dioxide
50 µg/m³
Sulfur dioxide
27 µg/m³
Carbon monoxide
883 µg/m³
European AQI (separate scale)
4