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Queensland, Australia

Happy Valley · Air quality

Saturday, Nov 7 · Australia/Brisbane

Happy Valley air quality

US air quality index

151

Unhealthy

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150
  4. Unhealthy151–200Current category
  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
36 µg/m³
PM2.5
40 µg/m³
PM10
44 µg/m³
Ozone
110 µg/m³
Nitrogen dioxide
3.3 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
285.3 µg/m³
European AQI (separate scale)
5