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Guangdong, China

Yingli · Air quality

Tuesday, Oct 27 · Asia/Shanghai

Yingli air quality

US air quality index

101

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
22 µg/m³
PM2.5
26 µg/m³
PM10
29 µg/m³
Ozone
154 µg/m³
Nitrogen dioxide
3 µg/m³
Sulfur dioxide
5 µg/m³
Carbon monoxide
239 µg/m³
European AQI (separate scale)
4