42
Good · Dominant pollutant: Ozone (O₃)
Air quality is satisfactory; air pollution poses little or no risk.
The current Air Quality Index (AQI) in Tokyo is 42, categorized as Good. Air quality is satisfactory; air pollution poses little or no risk.
Pollutants & conditions
| Measurement | Value |
|---|
| PM2.5 | 25 |
| PM10 | 8 |
| Ozone (O₃) | 41.6 |
| Nitrogen Dioxide (NO₂) | 9.3 |
| Sulfur Dioxide (SO₂) | 1.5 |
| Carbon Monoxide (CO) | 3.4 |
| Temperature (°C) | 17 |
| Humidity (%) | 88 |
| Pressure (hPa) | 1010.2 |
| Wind (m/s) | 7.7 |
PM2.5 forecast
| Date | Avg | Min | Max |
|---|
| 2026-05-20 | 145 | 57 | 186 |
| 2026-05-21 | 85 | 67 | 112 |
| 2026-05-22 | 89 | 68 | 138 |
| 2026-05-23 | 63 | 56 | 68 |
| 2026-05-24 | 82 | 57 | 110 |
Nearby cities
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