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Western Australia, Australia

South Hedland · Air quality

Sunday, Nov 15 · Australia/Perth

South Hedland air quality

US air quality index

19

Good

US EPA scale

  1. Good0–50Current category
  2. Moderate51–100
  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
2 µg/m³
PM2.5
4 µg/m³
PM10
5 µg/m³
Ozone
51 µg/m³
Nitrogen dioxide
0 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
104 µg/m³
European AQI (separate scale)
2