Commonwealth of Massachusetts air quality
Updated 21/10, 20:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 20:00
26
GoodAir quality is good; enjoy outdoor activities.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 5,9 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 7,2 µg/m³ | Particles ≤ 10 µm |
| O₃ | 46 µg/m³ | Ozone |
| NO₂ | 15,3 µg/m³ | Nitrogen dioxide |
| SO₂ | 0,8 µg/m³ | Sulphur dioxide |
| CO | 138 µg/m³ | Carbon monoxide |
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