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Phra Nakhon Si Ayutthaya, Thailand

Nakhon Luang · 空氣質素

Thursday, Nov 12 · Asia/Bangkok

Nakhon Luang air quality

US air quality index

31

良好

US EPA scale

  1. 良好0–50Current category
  2. 一般51–100
  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
12 µg/m³
PM2.5
13 µg/m³
PM10
14 µg/m³
臭氧
37.7 µg/m³
二氧化氮
21.7 µg/m³
二氧化硫
12 µg/m³
一氧化碳
346.3 µg/m³
European AQI (separate scale)
1