Today | Weather | Wednesday, November 4, 2026

Weather in Lowell, Massachusetts

05:22 PM
Now
Night
70° F
Feels Like 66°
Precipitation 0 %
Wind 7 mph
Humidity 53 %
Today
Sunny Weather
Day 77°
Night 54°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 3

Lowell Weather Forecast Updated

31 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 4, 2025)
Cloudy Night

Day

54°

Night

37°

Wind

6 mph

Precipitation

0 %

Air Quality in Lowell

NOW
56 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 7.12 µg/m³
PM10 13.25 µg/m³
O3 0.056 ppm
NO2 3.9 ppb
SO2 0.7 ppb
CO 0.14 ppm
NH3 0.29 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.5 – 7.12 µg/m³
PM10 – 13.25 µg/m³
O3 – 110.06 µg/m³
NO2 – 7.35 µg/m³
SO2 – 1.76 µg/m³
CO – 160.54 µg/m³
NH3 – 0.29 µg/m³
NO – 0.01 µg/m³