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Oaxaca, Mexico

Santa Martha Etla · Air quality

Monday, Nov 2 · America/Mexico City

Santa Martha Etla air quality

US air quality index

24

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
11 µg/m³
PM10
12 µg/m³
Ozone
21 µg/m³
Nitrogen dioxide
24 µg/m³
Sulfur dioxide
4 µg/m³
Carbon monoxide
280 µg/m³
European AQI (separate scale)
1