跳至天氣
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Assam, India

Howli · 空氣質素

Wednesday, Nov 11 · Asia/Kolkata

Howli air quality

US air quality index

130

對敏感人士有害

US EPA scale

  1. 良好0–50
  2. 一般51–100
  3. 對敏感人士有害101–150Current category
  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
73 µg/m³
PM2.5
77 µg/m³
PM10
79 µg/m³
臭氧
35 µg/m³
二氧化氮
19 µg/m³
二氧化硫
9 µg/m³
一氧化碳
842 µg/m³
European AQI (separate scale)
4