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Hebei, China

Kangbao · Air quality

Thursday, Oct 29 · Asia/Shanghai

Kangbao air quality

US air quality index

152

Unhealthy

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150
  4. Unhealthy151–200Current category
  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
4 µg/m³
PM2.5
38 µg/m³
PM10
98 µg/m³
Ozone
62.3 µg/m³
Nitrogen dioxide
1.3 µg/m³
Sulfur dioxide
0.3 µg/m³
Carbon monoxide
121 µg/m³
European AQI (separate scale)
6