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Shaanxi, Uchina

Guodian · Ubora wa hewa

Jumanne, 3 Nov · Asia/Shanghai

Guodian air quality

US air quality index

99

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
32 µg/m³
PM2.5
40 µg/m³
PM10
54 µg/m³
Ozoni
41 µg/m³
Dioksidi ya nitrojeni
19 µg/m³
Dioksidi ya salfa
10 µg/m³
Monoksidi ya kaboni
388 µg/m³
European AQI (separate scale)
4