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Rio Grande do Sul, Brazil

Esteio · Air quality

Monday, Oct 26 · America/Sao Paulo

Esteio air quality

US air quality index

22

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