Ruka hadi hali ya hewa
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Jiangxi, Uchina

Ehu · Ubora wa hewa

Jumatano, 28 Okt · Asia/Shanghai

Ehu air quality

US air quality index

87

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
25 µg/m³
PM2.5
31 µg/m³
PM10
35 µg/m³
Ozoni
53.7 µg/m³
Dioksidi ya nitrojeni
10.7 µg/m³
Dioksidi ya salfa
6 µg/m³
Monoksidi ya kaboni
340 µg/m³
European AQI (separate scale)
4