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Shaanxi, Uchina

Yidian · Ubora wa hewa

Jumatano, 11 Nov · Asia/Shanghai

Yidian air quality

US air quality index

75

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
38 µg/m³
PM2.5
40 µg/m³
PM10
41 µg/m³
Ozoni
2.3 µg/m³
Dioksidi ya nitrojeni
45 µg/m³
Dioksidi ya salfa
9.7 µg/m³
Monoksidi ya kaboni
566.7 µg/m³
European AQI (separate scale)
3