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Tuscany, Italy

San Mauro · Air quality

Thursday, Nov 5 · Europe/Rome

San Mauro air quality

US air quality index

31

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
10 µg/m³
PM10
11 µg/m³
Ozone
16.3 µg/m³
Nitrogen dioxide
10 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
230 µg/m³
European AQI (separate scale)
1