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Campania, Italy

San Pietro · Air quality

Tuesday, Oct 27 · Europe/Rome

San Pietro 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
2 µg/m³
PM2.5
4 µg/m³
PM10
5 µg/m³
Ozone
67 µg/m³
Nitrogen dioxide
3 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
145 µg/m³
European AQI (separate scale)
2