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Hubei, China

Dongxin · Air quality

Wednesday, Nov 4 · Asia/Shanghai

Dongxin air quality

US air quality index

129

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
42 µg/m³
PM2.5
52 µg/m³
PM10
63 µg/m³
Ozone
12 µg/m³
Nitrogen dioxide
24 µg/m³
Sulfur dioxide
4 µg/m³
Carbon monoxide
553 µg/m³
European AQI (separate scale)
4