跳至天氣
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Shaanxi, China

Longchi · 空氣質素

Tuesday, Nov 3 · Asia/Shanghai

Longchi air quality

US air quality index

97

一般

US EPA scale

  1. 良好0–50
  2. 一般51–100Current category
  3. 對敏感人士有害101–150
  4. 有害健康151–200
  5. 對健康非常有害201–300
  6. 危險301–500+

A higher US AQI indicates more air pollution and greater health concern. Categories and pollutant concentration units are different measures.

Understand the EPA scale

所有污染物

PM1
49 µg/m³
PM2.5
56 µg/m³
PM10
70 µg/m³
臭氧
8 µg/m³
二氧化氮
30.7 µg/m³
二氧化硫
11.3 µg/m³
一氧化碳
578 µg/m³
European AQI (separate scale)
4