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California, United States

Peters · Air quality

Sunday, Nov 1 · America/Los Angeles

Peters air quality

US air quality index

48

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
9 µg/m³
PM2.5
7.7 µg/m³
PM10
25 µg/m³
Ozone
33.5 µg/m³
Nitrogen dioxide
13 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
153 µg/m³
European AQI (separate scale)
2