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Rio Grande do Sul, Brazil

Terra de Areia · Air quality

Wednesday, Nov 11 · America/Sao Paulo

Terra de Areia air quality

US air quality index

30

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
3 µg/m³
PM2.5
7 µg/m³
PM10
9 µg/m³
Ozone
58 µg/m³
Nitrogen dioxide
1 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
82 µg/m³
European AQI (separate scale)
2