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Osaka, Japani

Katano · Ubora wa hewa

Jumapili, 8 Nov · Asia/Tokyo

Katano air quality

US air quality index

44

Nzuri

US EPA scale

  1. Nzuri0–50Current category
  2. Wastani51–100
  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
8 µg/m³
PM2.5
13 µg/m³
PM10
16 µg/m³
Ozoni
53.7 µg/m³
Dioksidi ya nitrojeni
13.7 µg/m³
Dioksidi ya salfa
7.3 µg/m³
Monoksidi ya kaboni
159.7 µg/m³
European AQI (separate scale)
2