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Hebei, China

Nancun · Air quality

Thursday, 12 Nov · Asia/Shanghai

Nancun air quality

US air quality index

163

E no good for health

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. E no good for sensitive people101–150
  4. E no good for health151–200Current category
  5. E bad well well for health201–300
  6. Dangerous301–500+

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
62 µg/m³
PM10
64 µg/m³
Ozone
11.7 µg/m³
Nitrogen dioxide
57.7 µg/m³
Sulfur dioxide
37.7 µg/m³
Carbon monoxide
1,167 µg/m³
European AQI (separate scale)
6