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Piedmont, Italy

Sala Monferrato · Air quality

Wednesday, Nov 4 · Europe/Rome

Sala Monferrato air quality

US air quality index

97

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
24 µg/m³
PM2.5
27 µg/m³
PM10
28 µg/m³
Ozone
16 µg/m³
Nitrogen dioxide
26 µg/m³
Sulfur dioxide
3 µg/m³
Carbon monoxide
370 µg/m³
European AQI (separate scale)
4