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Tehran, Iran

Nasir Abaad · Ubora wa hewa

Jumamosi, 7 Nov · Asia/Tehran

Nasir Abaad air quality

US air quality index

111

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
32 µg/m³
PM2.5
37 µg/m³
PM10
47 µg/m³
Ozoni
0 µg/m³
Dioksidi ya nitrojeni
82 µg/m³
Dioksidi ya salfa
50 µg/m³
Monoksidi ya kaboni
972 µg/m³
European AQI (separate scale)
4