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Tehran, Iran

‘Alīābād · Kalidad ng hangin

Huwebes, Nob 12 · Asia/Tehran

‘Alīābād air quality

US air quality index

158

Masama sa kalusugan

US EPA scale

  1. Mabuti0–50
  2. Katamtaman51–100
  3. Masama sa kalusugan ng mga sensitibong grupo101–150
  4. Masama sa kalusugan151–200Current category
  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
42 µg/m³
PM2.5
46 µg/m³
PM10
50 µg/m³
Osono
0.7 µg/m³
Nitroheno dioksido
71.3 µg/m³
Asupre dioksido
68 µg/m³
Karbon monoksido
2,260.7 µg/m³
European AQI (separate scale)
5