跳至天氣
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Chiba, Japan

Chiba · 空氣質素

Friday, Oct 30 · Asia/Tokyo

Chiba air quality

US air quality index

58

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
31 µg/m³
PM2.5
32 µg/m³
PM10
33 µg/m³
臭氧
0 µg/m³
二氧化氮
52 µg/m³
二氧化硫
24 µg/m³
一氧化碳
261 µg/m³
European AQI (separate scale)
2