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Abruzzo, Italy

Castiglione Messer Marino · Air quality

Saturday, Nov 14 · Europe/Rome

Castiglione Messer Marino 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
2 µg/m³
PM2.5
3 µg/m³
PM10
5 µg/m³
Ozone
62 µg/m³
Nitrogen dioxide
1 µg/m³
Sulfur dioxide
0 µg/m³
Carbon monoxide
128 µg/m³
European AQI (separate scale)
2