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Santa Catarina, Brazil

Marema Ā· Air quality

Friday, Oct 23 Ā· America/Sao Paulo

Marema air quality

US air quality index

46

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
13 µg/m³
PM2.5
14 µg/m³
PM10
14 µg/m³
Ozone
36 µg/m³
Nitrogen dioxide
6 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
273 µg/m³
European AQI (separate scale)
2