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Colonia, Uruguay

Santa Teresa · Air quality

Monday, Nov 2 · America/Montevideo

Santa Teresa air quality

US air quality index

37

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
11 µg/m³
PM2.5
12 µg/m³
PM10
12 µg/m³
Ozone
94.7 µg/m³
Nitrogen dioxide
2.7 µg/m³
Sulfur dioxide
3.3 µg/m³
Carbon monoxide
149.3 µg/m³
European AQI (separate scale)
2