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Tocantins, Brazil

Oliveira de Fátima · Air quality

Sunday, Nov 8 · America/Araguaina

Oliveira de Fátima air quality

US air quality index

32

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
17 µg/m³
PM2.5
20 µg/m³
PM10
22 µg/m³
Ozone
73.7 µg/m³
Nitrogen dioxide
0.7 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
227.7 µg/m³
European AQI (separate scale)
2