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California, United States

El Cerrito · Air quality

Sunday, Nov 1 · America/Los Angeles

El Cerrito air quality

US air quality index

38

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
8 µg/m³
PM2.5
6.6 µg/m³
PM10
13 µg/m³
Ozone
23.9 µg/m³
Nitrogen dioxide
17.3 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
174.3 µg/m³
European AQI (separate scale)
1