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Hunan, Uchina

Nanzhou · Ubora wa hewa

Ijumaa, 13 Nov · Asia/Shanghai

Nanzhou air quality

US air quality index

153

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
53 µg/m³
PM2.5
58 µg/m³
PM10
60 µg/m³
Ozoni
53 µg/m³
Dioksidi ya nitrojeni
17 µg/m³
Dioksidi ya salfa
18 µg/m³
Monoksidi ya kaboni
785.3 µg/m³
European AQI (separate scale)
5