Hourly Weather | Today Sunday, March 29, 2026
Lowell, Massachusetts
8 PM
Cloudy Night
45°
Feels Like 34°
0
Humidity: 44%
UV Index: 0
Wind: 18 mph
9 PM
Cloudy Night
43°
Feels Like 30°
0
Humidity: 52%
UV Index: 0
Wind: 18 mph
10 PM
Cloudy Night
39°
Feels Like 27°
0
Humidity: 57%
UV Index: 0
Wind: 17 mph
11 PM
Cloudy Night
39°
Feels Like 27°
0
Humidity: 60%
UV Index: 0
Wind: 17 mph

Hourly Air Quality Forecast - AQI (US EPA)

8 PM
72 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.91 µg/m³
  • PM10: 6.95 µg/m³
  • O3: 0.061 ppm
  • NO2: 2.1 ppb
  • SO2: 0.7 ppb
  • CO: 0.15 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

9 PM
70 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.56 µg/m³
  • PM10: 6.68 µg/m³
  • O3: 0.060 ppm
  • NO2: 1.8 ppb
  • SO2: 0.6 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM
68 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.26 µg/m³
  • PM10: 6.4 µg/m³
  • O3: 0.060 ppm
  • NO2: 1.6 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM
66 AQI
Moderate air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.97 µg/m³
  • PM10: 6.14 µg/m³
  • O3: 0.059 ppm
  • NO2: 1.5 ppb
  • SO2: 0.5 ppb
  • CO: 0.14 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.