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Henan, Uchina

Xiguan · Ubora wa hewa

Ijumaa, 6 Nov · Asia/Shanghai

Xiguan air quality

US air quality index

138

Hewa yenye madhara kwa makundi nyeti

US EPA scale

  1. Nzuri0–50
  2. Wastani51–100
  3. Hewa yenye madhara kwa makundi nyeti101–150Current category
  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
62 µg/m³
PM2.5
67 µg/m³
PM10
71 µg/m³
Ozoni
4 µg/m³
Dioksidi ya nitrojeni
34 µg/m³
Dioksidi ya salfa
16 µg/m³
Monoksidi ya kaboni
834 µg/m³
European AQI (separate scale)
5