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Piedmont, Italy

San Didero · Kalidad ng hangin

Sabado, Nob 7 · Europe/Rome

San Didero air quality

US air quality index

30

Mabuti

US EPA scale

  1. Mabuti0–50Current category
  2. Katamtaman51–100
  3. Masama sa kalusugan ng mga sensitibong grupo101–150
  4. Masama sa kalusugan151–200
  5. Lubhang masama sa kalusugan201–300
  6. Mapanganib301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

Lahat ng Polutante

PM1
15 µg/m³
PM2.5
16 µg/m³
PM10
17 µg/m³
Osono
57 µg/m³
Nitroheno dioksido
5.3 µg/m³
Asupre dioksido
0.7 µg/m³
Karbon monoksido
175.3 µg/m³
European AQI (separate scale)
2