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Henan, China

Shenqiu · Air quality

Sunday, Nov 8 · Asia/Shanghai

Shenqiu air quality

US air quality index

67

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  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
11 µg/m³
PM2.5
12 µg/m³
PM10
12 µg/m³
Ozone
31.7 µg/m³
Nitrogen dioxide
10.7 µg/m³
Sulfur dioxide
5.3 µg/m³
Carbon monoxide
342 µg/m³
European AQI (separate scale)
2