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The Marches, Italy

Monte Porzio · Air quality

Saturday, Nov 14 · Europe/Rome

Monte Porzio air quality

US air quality index

28

Good

US EPA scale

  1. Good0–50Current category
  2. Moderate51–100
  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
18 µg/m³
PM2.5
21 µg/m³
PM10
23 µg/m³
Ozone
27 µg/m³
Nitrogen dioxide
13 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
230 µg/m³
European AQI (separate scale)
1