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The Marches, Italy

Fratte Rosa · Kalidad ng hangin

Linggo, Nob 8 · Europe/Rome

Fratte Rosa 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
5 µg/m³
PM2.5
6 µg/m³
PM10
7 µg/m³
Osono
59 µg/m³
Nitroheno dioksido
1.7 µg/m³
Asupre dioksido
1 µg/m³
Karbon monoksido
151.7 µg/m³
European AQI (separate scale)
2