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Zacatecas, Mexico

Los Santiagos · Air quality

Tuesday, Nov 10 · America/Mexico City

Los Santiagos air quality

US air quality index

71

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
5.6 µg/m³
PM10
14 µg/m³
Ozone
32 µg/m³
Nitrogen dioxide
19 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
216 µg/m³
European AQI (separate scale)
3