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Lazio, Italy

Colle Monfortani · Air quality

Wednesday, Nov 11 · Europe/Rome

Colle Monfortani air quality

US air quality index

43

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
12 µg/m³
PM2.5
16 µg/m³
PM10
19 µg/m³
Ozone
30.3 µg/m³
Nitrogen dioxide
17.7 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
186 µg/m³
European AQI (separate scale)
2