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Piedmont, Italy

Castel Rocchero · Air quality

Monday, Oct 26 · Europe/Rome

Castel Rocchero air quality

US air quality index

114

Unhealthy for sensitive groups

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150Current category
  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
44 µg/m³
PM2.5
49 µg/m³
PM10
52 µg/m³
Ozone
18 µg/m³
Nitrogen dioxide
31.3 µg/m³
Sulfur dioxide
2.7 µg/m³
Carbon monoxide
451.3 µg/m³
European AQI (separate scale)
4