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Zacatecas, Mexico

Luis Moya · Air quality

Monday, Oct 26 · America/Mexico City

Luis Moya air quality

US air quality index

27

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
2 µg/m³
PM2.5
4.4 µg/m³
PM10
3 µg/m³
Ozone
49.6 µg/m³
Nitrogen dioxide
1 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
113.7 µg/m³
European AQI (separate scale)
1