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Tokyo, Japani

Iwamotochō · Ubora wa hewa

Jumatatu, 9 Nov · Asia/Tokyo

Iwamotochō air quality

US air quality index

69

Wastani

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100Current category
  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
16 µg/m³
PM2.5
17 µg/m³
PM10
18 µg/m³
Ozoni
27.7 µg/m³
Dioksidi ya nitrojeni
31.3 µg/m³
Dioksidi ya salfa
20 µg/m³
Monoksidi ya kaboni
201 µg/m³
European AQI (separate scale)
3