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Guangdong, Uchina

Gaoshan · Ubora wa hewa

Jumatatu, 16 Nov · Asia/Shanghai

Gaoshan air quality

US air quality index

72

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
24 µg/m³
PM2.5
27 µg/m³
PM10
28 µg/m³
Ozoni
44 µg/m³
Dioksidi ya nitrojeni
13 µg/m³
Dioksidi ya salfa
4 µg/m³
Monoksidi ya kaboni
280 µg/m³
European AQI (separate scale)
3