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Lombardy, Italy

Trezzano Rosa · Air quality

Friday, Oct 30 · Europe/Rome

Trezzano Rosa air quality

US air quality index

116

Unhealthy for sensitive groups

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150Current category
  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
40 µg/m³
PM2.5
44 µg/m³
PM10
46 µg/m³
Ozone
11.3 µg/m³
Nitrogen dioxide
43.7 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
477 µg/m³
European AQI (separate scale)
4