Skip to weather
weather.ws

Lombardy, Italy

Santa Cristina · Air quality

Saturday, Nov 14 · Europe/Rome

Santa Cristina 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
9 µg/m³
PM2.5
11 µg/m³
PM10
12 µg/m³
Ozone
44.3 µg/m³
Nitrogen dioxide
8.7 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
213.7 µg/m³
European AQI (separate scale)
2