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Akatsuka · Ubora wa hewa

Alhamisi, 12 Nov · Asia/Tokyo

Akatsuka air quality

US air quality index

104

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
48 µg/m³
PM2.5
50 µg/m³
PM10
51 µg/m³
Ozoni
5 µg/m³
Dioksidi ya nitrojeni
54.7 µg/m³
Dioksidi ya salfa
45.7 µg/m³
Monoksidi ya kaboni
407 µg/m³
European AQI (separate scale)
4