Ruka hadi hali ya hewa
weather.ws

Tehran, Iran

Golestān · Ubora wa hewa

Alhamisi, 29 Okt · Asia/Tehran

Golestān air quality

US air quality index

138

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
31 µg/m³
PM2.5
35 µg/m³
PM10
44 µg/m³
Ozoni
8.7 µg/m³
Dioksidi ya nitrojeni
83.7 µg/m³
Dioksidi ya salfa
46.7 µg/m³
Monoksidi ya kaboni
619.3 µg/m³
European AQI (separate scale)
5