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Shaanxi, Uchina

Wuquan · Ubora wa hewa

Ijumaa, 6 Nov · Asia/Shanghai

Wuquan air quality

US air quality index

94

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
45 µg/m³
PM2.5
53 µg/m³
PM10
64 µg/m³
Ozoni
6 µg/m³
Dioksidi ya nitrojeni
37.7 µg/m³
Dioksidi ya salfa
10 µg/m³
Monoksidi ya kaboni
528.7 µg/m³
European AQI (separate scale)
4