Henan, Uchina
Jiudian · Ubora wa hewa
Jumamosi, 14 Nov · Asia/Shanghai
Jiudian air quality
US air quality index
155Hewa yenye madhara
US EPA scale
- Nzuri0–50
- Wastani51–100
- Hewa yenye madhara kwa makundi nyeti101–150
- Hewa yenye madhara151–200Current category
- Hewa yenye madhara makubwa201–300
- 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 scaleVichafuzi vyote
- PM1
- 61 µg/m³
- PM2.5
- 66 µg/m³
- PM10
- 67 µg/m³
- Ozoni
- 73 µg/m³
- Dioksidi ya nitrojeni
- 9.3 µg/m³
- Dioksidi ya salfa
- 6 µg/m³
- Monoksidi ya kaboni
- 487 µg/m³
- European AQI (separate scale)
- 5