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Hunan, Uchina

Baiheshan · Ubora wa hewa

Ijumaa, 13 Nov · Asia/Shanghai

Baiheshan air quality

US air quality index

150

Hewa yenye madhara kwa makundi nyeti

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150Current category
  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
68 µg/m³
PM2.5
73 µg/m³
PM10
74 µg/m³
Ozoni
11 µg/m³
Dioksidi ya nitrojeni
25 µg/m³
Dioksidi ya salfa
24 µg/m³
Monoksidi ya kaboni
1,048 µg/m³
European AQI (separate scale)
5