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Beijing, China

Beizhuang · Air quality

Wednesday, Nov 11 · Asia/Shanghai

Beizhuang air quality

US air quality index

127

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
64 µg/m³
PM2.5
69 µg/m³
PM10
72 µg/m³
Ozone
0 µg/m³
Nitrogen dioxide
55 µg/m³
Sulfur dioxide
24 µg/m³
Carbon monoxide
1,185 µg/m³
European AQI (separate scale)
4