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Zhejiang, Uchina

Weitang · Ubora wa hewa

Jumatano, 4 Nov · Asia/Shanghai

Weitang air quality

US air quality index

83

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
13 µg/m³
PM2.5
18 µg/m³
PM10
22 µg/m³
Ozoni
39.7 µg/m³
Dioksidi ya nitrojeni
27 µg/m³
Dioksidi ya salfa
3 µg/m³
Monoksidi ya kaboni
237 µg/m³
European AQI (separate scale)
4