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Hiroshima, Japani

Kaitaichi · Ubora wa hewa

Alhamisi, 12 Nov · Asia/Tokyo

Kaitaichi air quality

US air quality index

80

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
29 µg/m³
PM2.5
33 µg/m³
PM10
35 µg/m³
Ozoni
9.7 µg/m³
Dioksidi ya nitrojeni
41.3 µg/m³
Dioksidi ya salfa
10.3 µg/m³
Monoksidi ya kaboni
398.7 µg/m³
European AQI (separate scale)
4