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California, United States

Auburn Lake Trails · Air quality

Thursday, Nov 5 · America/Los Angeles

Auburn Lake Trails air quality

US air quality index

26

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
5 µg/m³
PM2.5
4.3 µg/m³
PM10
5 µg/m³
Ozone
30.1 µg/m³
Nitrogen dioxide
10 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
184 µg/m³
European AQI (separate scale)
1