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Tokyo, Japan

Ōgi · Air quality

Saturday, Oct 24 · Asia/Tokyo

Ōgi air quality

US air quality index

108

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
33 µg/m³
PM2.5
37 µg/m³
PM10
40 µg/m³
Ozone
0 µg/m³
Nitrogen dioxide
59 µg/m³
Sulfur dioxide
36 µg/m³
Carbon monoxide
361 µg/m³
European AQI (separate scale)
4