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California, United States

Walnut Village · Air quality

Wednesday, Nov 11 · America/Los Angeles

Walnut Village air quality

US air quality index

53

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
12 µg/m³
PM2.5
31.1 µg/m³
PM10
15 µg/m³
Ozone
12.1 µg/m³
Nitrogen dioxide
31.7 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
296 µg/m³
European AQI (separate scale)
2