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Guangdong, China

Nangang · Air quality

Monday, Nov 2 · Asia/Shanghai

Nangang air quality

US air quality index

127

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
26 µg/m³
PM2.5
28 µg/m³
PM10
30 µg/m³
Ozone
93.3 µg/m³
Nitrogen dioxide
12 µg/m³
Sulfur dioxide
15 µg/m³
Carbon monoxide
367.3 µg/m³
European AQI (separate scale)
4