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Gansu, Uchina

Xinning · Ubora wa hewa

Jumamosi, 7 Nov · Asia/Shanghai

Xinning air quality

US air quality index

70

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
16 µg/m³
PM2.5
25 µg/m³
PM10
66 µg/m³
Ozoni
48 µg/m³
Dioksidi ya nitrojeni
8.3 µg/m³
Dioksidi ya salfa
6.7 µg/m³
Monoksidi ya kaboni
370.7 µg/m³
European AQI (separate scale)
3