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Hebei, China

Julu · Air quality

Thursday, Nov 12 · Asia/Shanghai

Julu air quality

US air quality index

123

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
48 µg/m³
PM2.5
51 µg/m³
PM10
51 µg/m³
Ozone
41 µg/m³
Nitrogen dioxide
27 µg/m³
Sulfur dioxide
15 µg/m³
Carbon monoxide
676 µg/m³
European AQI (separate scale)
4