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Tokyo, Japan

Nagasaki · Air quality

Tuesday, Nov 3 · Asia/Tokyo

Nagasaki air quality

US air quality index

130

Unhealthy for sensitive groups

US EPA scale

  1. Good0–50
  2. Moderate51–100
  3. Unhealthy for sensitive groups101–150Current category
  4. Unhealthy151–200
  5. Very unhealthy201–300
  6. Hazardous301–500+

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
62 µg/m³
PM2.5
65 µg/m³
PM10
67 µg/m³
Ozone
4.3 µg/m³
Nitrogen dioxide
40.3 µg/m³
Sulfur dioxide
33.7 µg/m³
Carbon monoxide
414.3 µg/m³
European AQI (separate scale)
4