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Hebei, Uchina

Yi Xian · Ubora wa hewa

Alhamisi, 12 Nov · Asia/Shanghai

Yi Xian air quality

US air quality index

162

Hewa yenye madhara

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150
  4. Hewa yenye madhara151–200Current category
  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
134 µg/m³
PM2.5
142 µg/m³
PM10
147 µg/m³
Ozoni
0 µg/m³
Dioksidi ya nitrojeni
53.7 µg/m³
Dioksidi ya salfa
41.3 µg/m³
Monoksidi ya kaboni
1,861 µg/m³
European AQI (separate scale)
6