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Sham Shui Po District, Hong Kong

Cullinan West · Air quality

Wednesday, Nov 11 · Asia/Hong Kong

Cullinan West air quality

US air quality index

62

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
16 µg/m³
PM2.5
19 µg/m³
PM10
22 µg/m³
Ozone
80.3 µg/m³
Nitrogen dioxide
28 µg/m³
Sulfur dioxide
28.7 µg/m³
Carbon monoxide
278 µg/m³
European AQI (separate scale)
2