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Jalisco, Mexico

San Marcos · Air quality

Sunday, Nov 1 · America/Mexico City

San Marcos 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
10 µg/m³
PM2.5
5.7 µg/m³
PM10
12 µg/m³
Ozone
53.5 µg/m³
Nitrogen dioxide
1 µg/m³
Sulfur dioxide
3.3 µg/m³
Carbon monoxide
175.3 µg/m³
European AQI (separate scale)
2