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Lombardy, Italy

Olmo al Brembo · Air quality

Friday, Nov 6 · Europe/Rome

Olmo al Brembo air quality

US air quality index

72

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  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
34 µg/m³
PM2.5
36 µg/m³
PM10
36 µg/m³
Ozone
14 µg/m³
Nitrogen dioxide
34 µg/m³
Sulfur dioxide
2 µg/m³
Carbon monoxide
418 µg/m³
European AQI (separate scale)
3