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Shanxi, Uchina

Weifen · Ubora wa hewa

Jumamosi, 7 Nov · Asia/Shanghai

Weifen air quality

US air quality index

64

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
26 µg/m³
PM10
28 µg/m³
Ozoni
49.7 µg/m³
Dioksidi ya nitrojeni
12.3 µg/m³
Dioksidi ya salfa
5 µg/m³
Monoksidi ya kaboni
375 µg/m³
European AQI (separate scale)
2