跳至天氣
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Henan, China

Anxiang · 空氣質素

Thursday, Nov 5 · Asia/Shanghai

Anxiang air quality

US air quality index

155

有害健康

US EPA scale

  1. 良好0–50
  2. 一般51–100
  3. 對敏感人士有害101–150
  4. 有害健康151–200Current category
  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
10 µg/m³
PM2.5
57 µg/m³
PM10
271 µg/m³
臭氧
52.7 µg/m³
二氧化氮
9 µg/m³
二氧化硫
4.7 µg/m³
一氧化碳
244.3 µg/m³
European AQI (separate scale)
5