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Querétaro, Mexico

Rancho Largo · Air quality

Monday, Oct 26 · America/Mexico City

Rancho Largo air quality

US air quality index

23

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
1 µg/m³
PM2.5
6.7 µg/m³
PM10
2 µg/m³
Ozone
34.7 µg/m³
Nitrogen dioxide
1 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
122 µg/m³
European AQI (separate scale)
1