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Zhejiang, Uchina

Yaoshan · Ubora wa hewa

Jumatano, 4 Nov · Asia/Shanghai

Yaoshan air quality

US air quality index

142

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
13 µg/m³
PM2.5
20 µg/m³
PM10
27 µg/m³
Ozoni
20 µg/m³
Dioksidi ya nitrojeni
29 µg/m³
Dioksidi ya salfa
5 µg/m³
Monoksidi ya kaboni
375 µg/m³
European AQI (separate scale)
5