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Tlaxcala, Mexico

San Mateo Ayecac · Air quality

Tuesday, Nov 10 · America/Mexico City

San Mateo Ayecac air quality

US air quality index

47

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
12.8 µg/m³
PM10
13 µg/m³
Ozone
6.7 µg/m³
Nitrogen dioxide
19 µg/m³
Sulfur dioxide
6 µg/m³
Carbon monoxide
272 µg/m³
European AQI (separate scale)
2