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Isfahan, Iran

Sen Sen · Ubora wa hewa

Jumatatu, 9 Nov · Asia/Tehran

Sen Sen air quality

US air quality index

35

Nzuri

US EPA scale

  1. Nzuri0–50Current category
  2. Wastani51–100
  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
5 µg/m³
PM2.5
7 µg/m³
PM10
13 µg/m³
Ozoni
9 µg/m³
Dioksidi ya nitrojeni
19 µg/m³
Dioksidi ya salfa
2 µg/m³
Monoksidi ya kaboni
210 µg/m³
European AQI (separate scale)
1