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Piedmont, Italy

San Marzano Oliveto · Air quality

Tuesday, Nov 3 · Europe/Rome

San Marzano Oliveto air quality

US air quality index

89

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
51 µg/m³
PM2.5
55 µg/m³
PM10
56 µg/m³
Ozone
19 µg/m³
Nitrogen dioxide
21 µg/m³
Sulfur dioxide
2.7 µg/m³
Carbon monoxide
485.3 µg/m³
European AQI (separate scale)
4