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Apulia, Italy

Castrignano De' Greci · Air quality

Thursday, Oct 29 · Europe/Rome

Castrignano De' Greci air quality

US air quality index

29

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
3 µg/m³
PM2.5
6 µg/m³
PM10
8 µg/m³
Ozone
56 µg/m³
Nitrogen dioxide
2.7 µg/m³
Sulfur dioxide
1 µg/m³
Carbon monoxide
149 µg/m³
European AQI (separate scale)
2