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Isfahan, Iran

Najafābād · Kualitas udara

Jumat, 6 Nov · Asia/Tehran

Najafābād air quality

US air quality index

28

Baik

US EPA scale

  1. Baik0–50Current category
  2. Sedang51–100
  3. Tidak sehat bagi kelompok sensitif101–150
  4. Tidak sehat151–200
  5. Sangat tidak sehat201–300
  6. Berbahaya301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

Semua polutan

PM1
4 µg/m³
PM2.5
7 µg/m³
PM10
25 µg/m³
Ozon
24,7 µg/m³
Nitrogen dioksida
18,7 µg/m³
Sulfur dioksida
2 µg/m³
Karbon monoksida
217,3 µg/m³
European AQI (separate scale)
1