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The Marches, Italy

Casette d'Ete · Air quality

Wednesday, Nov 4 · Europe/Rome

Casette d'Ete 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
10 µg/m³
PM2.5
12 µg/m³
PM10
13 µg/m³
Ozone
23.3 µg/m³
Nitrogen dioxide
6.3 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
180 µg/m³
European AQI (separate scale)
1