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San Martín Department, Peru

Tres Unidos · Air quality

Friday, Nov 13 · America/Lima

Tres Unidos air quality

US air quality index

53

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  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
35.7 µg/m³
Nitrogen dioxide
1.3 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
268 µg/m³
European AQI (separate scale)
2