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Sicily, Italy

Tre Fontane · Air quality

Friday, Oct 23 · Europe/Rome

Tre Fontane air quality

US air quality index

35

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
8 µg/m³
PM10
13 µg/m³
Ozone
65.7 µg/m³
Nitrogen dioxide
1.3 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
120.7 µg/m³
European AQI (separate scale)
2