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Henan, Uchina

Yigou · Ubora wa hewa

Jumanne, 10 Nov · Asia/Shanghai

Yigou air quality

US air quality index

97

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
33 µg/m³
PM2.5
35 µg/m³
PM10
39 µg/m³
Ozoni
0 µg/m³
Dioksidi ya nitrojeni
41.7 µg/m³
Dioksidi ya salfa
5.7 µg/m³
Monoksidi ya kaboni
479.7 µg/m³
European AQI (separate scale)
4