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Western Australia, Australia

King Leopold Ranges · Air quality

Thursday, Nov 12 · Australia/Perth

King Leopold Ranges air quality

US air quality index

55

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
5 µg/m³
PM2.5
5 µg/m³
PM10
5 µg/m³
Ozone
62.7 µg/m³
Nitrogen dioxide
2 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
283 µg/m³
European AQI (separate scale)
2