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Hubei, Uchina

Xiqiuwan · Ubora wa hewa

Jumatano, 11 Nov · Asia/Shanghai

Xiqiuwan air quality

US air quality index

57

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
23 µg/m³
PM2.5
25 µg/m³
PM10
26 µg/m³
Ozoni
38 µg/m³
Dioksidi ya nitrojeni
12 µg/m³
Dioksidi ya salfa
18 µg/m³
Monoksidi ya kaboni
390 µg/m³
European AQI (separate scale)
2