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Tehran, Iran

Khūrīn · Kualitas udara

Jumat, 6 Nov · Asia/Tehran

Khūrīn air quality

US air quality index

92

Sedang

US EPA scale

  1. Baik0–50
  2. Sedang51–100Current category
  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
13 µg/m³
PM2.5
19 µg/m³
PM10
42 µg/m³
Ozon
60 µg/m³
Nitrogen dioksida
35 µg/m³
Sulfur dioksida
20 µg/m³
Karbon monoksida
318,7 µg/m³
European AQI (separate scale)
4