Hourly Weather | Today Sunday, December 7, 2025
Lowell, Massachusetts
9 AM
Cloudy Weather
27°
Feels Like 27°
0
Humidity: 89%
Wind: 5 mph
UV Index: 1
10 AM
Cloudy Weather
28°
Feels Like 32°
0
Humidity: 80%
Wind: 5 mph
UV Index: 2
11 AM
Cloudy Weather
34°
Feels Like 37°
0
Humidity: 69%
Wind: 5 mph
UV Index: 2
12 PM
Cloudy Weather
36°
Feels Like 39°
0
Humidity: 64%
Wind: 5 mph
UV Index: 2
1 PM
Cloudy Weather
36°
Feels Like 43°
0
Humidity: 61%
Wind: 4 mph
UV Index: 2
2 PM
Cloudy Weather
37°
Feels Like 43°
0
Humidity: 59%
Wind: 4 mph
UV Index: 2
3 PM
Cloudy Weather
36°
Feels Like 37°
0
Humidity: 65%
Wind: 5 mph
UV Index: 1
4 PM
Cloudy Weather
34°
Feels Like 34°
0
Humidity: 71%
Wind: 5 mph
UV Index: 0
5 PM
Cloudy Night
34°
Feels Like 34°
0
Humidity: 73%
Wind: 5 mph
UV Index: 0
6 PM
Cloudy Night
32°
Feels Like 32°
0
Humidity: 77%
Wind: 4 mph
UV Index: 0
7 PM
Cloudy Night
30°
Feels Like 30°
0
Humidity: 81%
Wind: 4 mph
UV Index: 0
8 PM
Cloudy Night
28°
Feels Like 28°
0
Humidity: 85%
Wind: 5 mph
UV Index: 0
9 PM
Cloudy Night
30°
Feels Like 27°
0
Humidity: 83%
Wind: 6 mph
UV Index: 0
10 PM
Cloudy Night
30°
Feels Like 27°
0
Humidity: 82%
Wind: 6 mph
UV Index: 0
11 PM
Cloudy Night
30°
Feels Like 25°
0
Humidity: 82%
Wind: 7 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

9 AM
26 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 6.23 µg/m³
  • PM10: 7.61 µg/m³
  • O3: 0.022 ppm
  • NO2: 8.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

10 AM
25 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.93 µg/m³
  • PM10: 7.3 µg/m³
  • O3: 0.024 ppm
  • NO2: 6.9 ppb
  • SO2: 0.5 ppb
  • CO: 0.22 ppm

Health Recommendations:

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

11 AM
27 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.84 µg/m³
  • PM10: 5.92 µg/m³
  • O3: 0.029 ppm
  • NO2: 5.2 ppb
  • SO2: 0.5 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

12 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.56 µg/m³
  • PM10: 5.59 µg/m³
  • O3: 0.030 ppm
  • NO2: 4.8 ppb
  • SO2: 0.5 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

1 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.51 µg/m³
  • PM10: 5.53 µg/m³
  • O3: 0.030 ppm
  • NO2: 4.7 ppb
  • SO2: 0.5 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

2 PM
28 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.6 µg/m³
  • PM10: 5.69 µg/m³
  • O3: 0.030 ppm
  • NO2: 5.3 ppb
  • SO2: 0.5 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

3 PM
26 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.66 µg/m³
  • PM10: 5.85 µg/m³
  • O3: 0.028 ppm
  • NO2: 6.5 ppb
  • SO2: 0.4 ppb
  • CO: 0.19 ppm

Health Recommendations:

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

4 PM
24 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.54 µg/m³
  • PM10: 5.87 µg/m³
  • O3: 0.026 ppm
  • NO2: 7.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

5 PM
22 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.53 µg/m³
  • PM10: 6.17 µg/m³
  • O3: 0.024 ppm
  • NO2: 8.7 ppb
  • SO2: 0.3 ppb
  • CO: 0.20 ppm

Health Recommendations:

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

6 PM
21 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.87 µg/m³
  • PM10: 7.09 µg/m³
  • O3: 0.022 ppm
  • NO2: 9.8 ppb
  • SO2: 0.3 ppb
  • CO: 0.21 ppm

Health Recommendations:

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

7 PM
24 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 5.82 µg/m³
  • PM10: 9.12 µg/m³
  • O3: 0.021 ppm
  • NO2: 10.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.23 ppm

Health Recommendations:

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

8 PM
32 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 7.75 µg/m³
  • PM10: 12.4 µg/m³
  • O3: 0.019 ppm
  • NO2: 12.4 ppb
  • SO2: 0.5 ppb
  • CO: 0.24 ppm

Health Recommendations:

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

9 PM
46 AQI
Good air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 10.93 µg/m³
  • PM10: 16.65 µg/m³
  • O3: 0.016 ppm
  • NO2: 15.3 ppb
  • SO2: 0.8 ppb
  • CO: 0.25 ppm

Health Recommendations:

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

10 PM
56 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 14.85 µg/m³
  • PM10: 21.08 µg/m³
  • O3: 0.014 ppm
  • NO2: 18.7 ppb
  • SO2: 1.3 ppb
  • CO: 0.27 ppm

Health Recommendations:

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

11 PM
62 AQI
Moderate air quality Dominant pollutant: PM2.5
Details

Pollutant Concentrations:

  • PM2.5: 17.39 µg/m³
  • PM10: 23.27 µg/m³
  • O3: 0.013 ppm
  • NO2: 19.8 ppb
  • SO2: 1.8 ppb
  • CO: 0.27 ppm

Health Recommendations:

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