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Isfahan, Iran

Pīr Bakrān · Ubora wa hewa

Jumatano, 11 Nov · Asia/Tehran

Pīr Bakrān air quality

US air quality index

118

Hewa yenye madhara kwa makundi nyeti

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150Current category
  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
11 µg/m³
PM2.5
39 µg/m³
PM10
129 µg/m³
Ozoni
55 µg/m³
Dioksidi ya nitrojeni
23.3 µg/m³
Dioksidi ya salfa
21 µg/m³
Monoksidi ya kaboni
314.3 µg/m³
European AQI (separate scale)
5