17
Good · Dominant pollutant: Ozone (O₃)
Air quality is satisfactory; air pollution poses little or no risk.
The current Air Quality Index (AQI) in Boston is 17, categorized as Good. Air quality is satisfactory; air pollution poses little or no risk.
Pollutants & conditions
| Measurement | Value |
|---|
| PM2.5 | 11 |
| PM10 | 14 |
| Ozone (O₃) | 16.8 |
| Nitrogen Dioxide (NO₂) | 8.4 |
| Sulfur Dioxide (SO₂) | 0.3 |
| Carbon Monoxide (CO) | 3.4 |
| Temperature (°C) | 17.7 |
| Humidity (%) | 44.5 |
| Pressure (hPa) | 1023.1 |
| Wind (m/s) | 4.6 |
PM2.5 forecast
| Date | Avg | Min | Max |
|---|
| 2026-05-19 | 63 | 62 | 64 |
| 2026-05-20 | 32 | 13 | 65 |
| 2026-05-21 | 8 | 6 | 16 |
| 2026-05-22 | 8 | 4 | 11 |
| 2026-05-23 | 15 | 11 | 22 |
Nearby cities
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