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Rio Grande do Sul, Brazil

Arroio do Meio · Air quality

Thursday, Nov 12 · America/Sao Paulo

Arroio do Meio air quality

US air quality index

43

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
18 µg/m³
PM2.5
20 µg/m³
PM10
21 µg/m³
Ozone
27 µg/m³
Nitrogen dioxide
14 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
224 µg/m³
European AQI (separate scale)
2