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Zhejiang, Uchina

Shifan · Ubora wa hewa

Jumamosi, 14 Nov · Asia/Shanghai

Shifan air quality

US air quality index

88

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
20 µg/m³
PM2.5
27 µg/m³
PM10
32 µg/m³
Ozoni
23.7 µg/m³
Dioksidi ya nitrojeni
31.7 µg/m³
Dioksidi ya salfa
5 µg/m³
Monoksidi ya kaboni
207 µg/m³
European AQI (separate scale)
4