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Taiwan, Taiwan

Yuanlin · Air quality

Thursday, 29 Oct · Asia/Taipei

Yuanlin air quality

US air quality index

97

Moderate

US EPA scale

  1. Good0–50
  2. Moderate51–100Current category
  3. E no good for sensitive people101–150
  4. E no good for health151–200
  5. E bad well well for health201–300
  6. Dangerous301–500+

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

Understand the EPA scale

All pollutants

PM1
12 µg/m³
PM2.5
21 µg/m³
PM10
28 µg/m³
Ozone
49.7 µg/m³
Nitrogen dioxide
30.7 µg/m³
Sulfur dioxide
33.3 µg/m³
Carbon monoxide
241.3 µg/m³
European AQI (separate scale)
4