Skip to weather
weather.ws

Rio Grande do Sul, Brazil

Santiago · Air quality

Sunday, Nov 1 · America/Sao Paulo

Santiago air quality

US air quality index

33

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
6 µg/m³
PM2.5
6 µg/m³
PM10
6 µg/m³
Ozone
54.7 µg/m³
Nitrogen dioxide
3.3 µg/m³
Sulfur dioxide
0.3 µg/m³
Carbon monoxide
174.3 µg/m³
European AQI (separate scale)
2