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São Paulo, Brazil

Atibaia · Air quality

Sunday, Nov 1 · America/Sao Paulo

Atibaia 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
7 µg/m³
PM2.5
7 µg/m³
PM10
8 µg/m³
Ozone
96.3 µg/m³
Nitrogen dioxide
1.7 µg/m³
Sulfur dioxide
3 µg/m³
Carbon monoxide
172 µg/m³
European AQI (separate scale)
2