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Guangdong, China

Xingtan · Air quality

Tuesday, Oct 27 · Asia/Shanghai

Xingtan 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
27 µg/m³
PM2.5
29 µg/m³
PM10
31 µg/m³
Ozone
64.3 µg/m³
Nitrogen dioxide
35 µg/m³
Sulfur dioxide
4.3 µg/m³
Carbon monoxide
380 µg/m³
European AQI (separate scale)
4