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Querétaro, Mexico

La Noria · Air quality

Thursday, Nov 5 · America/Mexico City

La Noria air quality

US air quality index

41

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
23 µg/m³
PM2.5
7.7 µg/m³
PM10
24 µg/m³
Ozone
13.7 µg/m³
Nitrogen dioxide
23 µg/m³
Sulfur dioxide
3 µg/m³
Carbon monoxide
312 µg/m³
European AQI (separate scale)
1