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Inner Mongolia, China

Wulan Haye · Air quality

Wednesday, Nov 11 · Asia/Shanghai

Wulan Haye air quality

US air quality index

37

Good

US EPA scale

  1. Good0–50Current category
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150
  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
9 µg/m³
PM2.5
10 µg/m³
PM10
11 µg/m³
Ozone
34 µg/m³
Nitrogen dioxide
14 µg/m³
Sulfur dioxide
7 µg/m³
Carbon monoxide
238 µg/m³
European AQI (separate scale)
1