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The Marches, Italy

Maiolati Spontini · Air quality

Monday, Nov 9 · Europe/Rome

Maiolati Spontini air quality

US air quality index

63

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
5 µg/m³
PM2.5
7 µg/m³
PM10
8 µg/m³
Ozone
57 µg/m³
Nitrogen dioxide
3.3 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
164 µg/m³
European AQI (separate scale)
2