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Shaanxi, China

Lintong · Air quality

Tuesday, Oct 27 · Asia/Shanghai

Lintong 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
47 µg/m³
PM2.5
55 µg/m³
PM10
72 µg/m³
Ozone
2 µg/m³
Nitrogen dioxide
44 µg/m³
Sulfur dioxide
12 µg/m³
Carbon monoxide
687 µg/m³
European AQI (separate scale)
4