Today | Weather | Wednesday, September 2, 2026

Weather in Lowell, Massachusetts

06:56 AM
Now
Cloudy Weather
63° F
Feels Like 61°
Precipitation 27 %
Wind 6 mph
UV Index (0 - 11+) 0
Humidity 100 %
Today
Cloudy Weather
Day 73°
Night 63°
Precipitation 4 %
Wind 8 mph
UV Index (0 - 11+) 2

Lowell Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 2, 2025)
Cloudy Night

Day

81°

Night

54°

Wind

5 mph

Precipitation

2 %

Air Quality in Lowell

NOW
22 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.35 µg/m³
PM10 3.95 µg/m³
O3 0.024 ppm
NO2 1.8 ppb
SO2 0.3 ppb
CO 0.11 ppm
NH3 0.04 µg/m³
NO 0.01 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.52.35 µg/m³
PM103.95 µg/m³
O347.61 µg/m³
NO23.47 µg/m³
SO20.87 µg/m³
CO121.55 µg/m³
NH30.04 µg/m³
NO0.01 µg/m³