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Hunan, Uchina

Langshan · Ubora wa hewa

Ijumaa, 13 Nov · Asia/Shanghai

Langshan air quality

US air quality index

65

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
8 µg/m³
PM2.5
8 µg/m³
PM10
9 µg/m³
Ozoni
61 µg/m³
Dioksidi ya nitrojeni
4.7 µg/m³
Dioksidi ya salfa
2.3 µg/m³
Monoksidi ya kaboni
247 µg/m³
European AQI (separate scale)
2