Today | Weather | Wednesday, November 4, 2026

Weather in Lowell, Massachusetts

12:58 AM
Now
Cloudy Night
55° F
Feels Like 55°
Precipitation 0 %
Wind 5 mph
Humidity 90 %
Today
Cloudy Weather
Day 79°
Night 55°
Precipitation 5 %
Wind 8 mph
UV Index (0 - 11+) 3

Lowell Weather Forecast Updated

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
40 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 9.53 µg/m³
PM10 16.23 µg/m³
O3 0.030 ppm
NO2 6.9 ppb
SO2 0.6 ppb
CO 0.19 ppm
NH3 0.16 µg/m³
NO 0 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)
PM2.5 – 9.53 µg/m³
PM10 – 16.23 µg/m³
O3 – 59.25 µg/m³
NO2 – 13.02 µg/m³
SO2 – 1.48 µg/m³
CO – 222.45 µg/m³
NH3 – 0.16 µg/m³
NO – 0 µg/m³