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Emilia-Romagna, Italy

San Carlo · Air quality

Sunday, Nov 8 · Europe/Rome

San Carlo air quality

US air quality index

87

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  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
12 µg/m³
PM2.5
13 µg/m³
PM10
13 µg/m³
Ozone
66 µg/m³
Nitrogen dioxide
3 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
172 µg/m³
European AQI (separate scale)
4