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Tehran, Iran

Garmābsard · Ubora wa hewa

Jumapili, 15 Nov · Asia/Tehran

Garmābsard air quality

US air quality index

62

Wastani

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100Current category
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200
  5. Hewa yenye madhara makubwa201–300
  6. Hatari301–500+

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

Understand the EPA scale

Vichafuzi vyote

PM1
15 µg/m³
PM2.5
16 µg/m³
PM10
16 µg/m³
Ozoni
6 µg/m³
Dioksidi ya nitrojeni
57 µg/m³
Dioksidi ya salfa
9 µg/m³
Monoksidi ya kaboni
365 µg/m³
European AQI (separate scale)
2