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Tamaulipas, Mexico

Loma Alta · Air quality

Sunday, Nov 1 · America/Monterrey

Loma Alta air quality

US air quality index

33

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
9 µg/m³
PM2.5
2.9 µg/m³
PM10
15 µg/m³
Ozone
34.6 µg/m³
Nitrogen dioxide
6.7 µg/m³
Sulfur dioxide
1.7 µg/m³
Carbon monoxide
160 µg/m³
European AQI (separate scale)
1