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Zanjan, Iran

Jūqīn · Ubora wa hewa

Ijumaa, 13 Nov · Asia/Tehran

Jūqīn air quality

US air quality index

26

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
6 µg/m³
PM2.5
6 µg/m³
PM10
6 µg/m³
Ozoni
45.7 µg/m³
Dioksidi ya nitrojeni
15 µg/m³
Dioksidi ya salfa
2 µg/m³
Monoksidi ya kaboni
241 µg/m³
European AQI (separate scale)
1