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Tehran, Iran

Kahrīzak · Kualitas udara

Senin, 2 Nov · Asia/Tehran

Kahrīzak air quality

US air quality index

41

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
6 µg/m³
PM2.5
9 µg/m³
PM10
17 µg/m³
Ozon
42 µg/m³
Nitrogen dioksida
11,3 µg/m³
Sulfur dioksida
3,3 µg/m³
Karbon monoksida
154,7 µg/m³
European AQI (separate scale)
2