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Tokyo, Japan

Hamamatsuchō · Air quality

Monday, Nov 2 · Asia/Tokyo

Hamamatsuchō air quality

US air quality index

131

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
68 µg/m³
PM2.5
72 µg/m³
PM10
75 µg/m³
Ozone
14 µg/m³
Nitrogen dioxide
41 µg/m³
Sulfur dioxide
44 µg/m³
Carbon monoxide
518.3 µg/m³
European AQI (separate scale)
4