Ruka hadi hali ya hewa
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Zhejiang, Uchina

Sishan · Ubora wa hewa

Jumanne, 27 Okt · Asia/Shanghai

Sishan air quality

US air quality index

58

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
36 µg/m³
PM2.5
40 µg/m³
PM10
42 µg/m³
Ozoni
55 µg/m³
Dioksidi ya nitrojeni
11 µg/m³
Dioksidi ya salfa
5.7 µg/m³
Monoksidi ya kaboni
387.7 µg/m³
European AQI (separate scale)
2