Lowell, Massachusetts air quality
53
Moderate
US EPA AQI
Unusually sensitive people should consider shortening intense outdoor activity.
- Primary pollutant
- Ozone
- PM2.5
- 4.4µg/m³
- PM10
- 4.4µg/m³
- Ozone
- 74.0µg/m³
- Nitrogen dioxide
- 8.4µg/m³
- Sulphur dioxide
- 1.2µg/m³
- Carbon monoxide
- 196.0µg/m³
- Dust
- 0.0µg/m³
Fine particles that reach deep into the lungs
Coarse dust and pollen-sized particles
Rises on hot, sunny, stagnant days
Traffic and combustion related
Elevated during dust storms and wildfire smoke events
Source updated: not provided · WeatherSignal checked: 1:38:56 AM
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Health categories and guidance text follow the published definitions of the US EPA AQI scale. This page is informational and is not medical advice.