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Piedmont, Italy

Gattinara · Kalidad ng hangin

Linggo, Nob 15 · Europe/Rome

Gattinara air quality

US air quality index

60

Katamtaman

US EPA scale

  1. Mabuti0–50
  2. Katamtaman51–100Current category
  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
7 µg/m³
PM2.5
9 µg/m³
PM10
10 µg/m³
Osono
59 µg/m³
Nitroheno dioksido
4.7 µg/m³
Asupre dioksido
1 µg/m³
Karbon monoksido
190.3 µg/m³
European AQI (separate scale)
2