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Zacatecas, Mexico

San Ramón · Air quality

Sunday, Nov 1 · America/Mexico City

San Ramón air quality

US air quality index

33

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
7 µg/m³
PM2.5
3.9 µg/m³
PM10
10 µg/m³
Ozone
46.7 µg/m³
Nitrogen dioxide
0.7 µg/m³
Sulfur dioxide
1.7 µg/m³
Carbon monoxide
123.3 µg/m³
European AQI (separate scale)
1