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Chaharmahal and Bakhtiari, Iran

Sūd Jān · Kalidad ng hangin

Biyernes, Nob 6 · Asia/Tehran

Sūd Jān air quality

US air quality index

26

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
2 µg/m³
PM2.5
6 µg/m³
PM10
22 µg/m³
Osono
39.7 µg/m³
Nitroheno dioksido
4.3 µg/m³
Asupre dioksido
1 µg/m³
Karbon monoksido
120.7 µg/m³
European AQI (separate scale)
1