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San Luis Potosí, Mexico

La Noria · Air quality

Tuesday, Nov 3 · America/Mexico City

La Noria air quality

US air quality index

40

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
17 µg/m³
PM2.5
5.7 µg/m³
PM10
20 µg/m³
Ozone
28 µg/m³
Nitrogen dioxide
14 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
199 µg/m³
European AQI (separate scale)
1