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Tehran, Iran

Sar Gol · Kalidad ng hangin

Miyerkules, Nob 11 · Asia/Tehran

Sar Gol air quality

US air quality index

48

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
17 µg/m³
PM10
19 µg/m³
Osono
16.7 µg/m³
Nitroheno dioksido
33.3 µg/m³
Asupre dioksido
6.3 µg/m³
Karbon monoksido
295 µg/m³
European AQI (separate scale)
2