Hourly Weather | Today Friday, May 29, 2026
Lowell, Massachusetts
3 PM
Rainy Weather
72°
Feels Like 68°
49
Humidity: 40%
UV Index: 2
Wind: 10 mph
4 PM
Rainy Weather
70°
Feels Like 66°
44
Humidity: 46%
UV Index: 1
Wind: 10 mph
5 PM
Cloudy Weather
68°
Feels Like 66°
44
Humidity: 47%
UV Index: 2
Wind: 10 mph
6 PM
Cloudy Weather
66°
Feels Like 64°
48
Humidity: 52%
UV Index: 1
Wind: 9 mph
7 PM
Rainy Weather
64°
Feels Like 61°
52
Humidity: 61%
UV Index: 0
Wind: 8 mph
8 PM
Cloudy Weather
64°
Feels Like 63°
49
Humidity: 64%
UV Index: 0
Wind: 7 mph
9 PM
Rainy Weather
63°
Feels Like 57°
66
Humidity: 72%
UV Index: 0
Wind: 7 mph
10 PM
Rainy Weather
61°
Feels Like 55°
66
Humidity: 77%
UV Index: 0
Wind: 8 mph
11 PM
Cloudy Weather
63°
Feels Like 59°
49
Humidity: 74%
UV Index: 0
Wind: 8 mph

Hourly Air Quality Forecast - AQI (US EPA)

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

Pollutant Concentrations:

  • PM2.5: 0.82 µg/m³
  • PM10: 1.08 µg/m³
  • O3: 0.045 ppm
  • NO2: 0.6 ppb
  • SO2: 0.1 ppb
  • CO: 0.09 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 0.95 µg/m³
  • PM10: 1.25 µg/m³
  • O3: 0.044 ppm
  • NO2: 1 ppb
  • SO2: 0.1 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.15 µg/m³
  • PM10: 1.52 µg/m³
  • O3: 0.044 ppm
  • NO2: 1.5 ppb
  • SO2: 0.2 ppb
  • CO: 0.10 ppm

Health Recommendations:

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

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

Pollutant Concentrations:

  • PM2.5: 1.78 µg/m³
  • PM10: 2.35 µg/m³
  • O3: 0.042 ppm
  • NO2: 2.5 ppb
  • SO2: 0.3 ppb
  • CO: 0.11 ppm

Health Recommendations:

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

7 PM
37 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 2.75 µg/m³
  • PM10: 3.6 µg/m³
  • O3: 0.040 ppm
  • NO2: 3.9 ppb
  • SO2: 0.4 ppb
  • CO: 0.12 ppm

Health Recommendations:

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

8 PM
34 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 3.51 µg/m³
  • PM10: 4.64 µg/m³
  • O3: 0.037 ppm
  • NO2: 4.8 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

9 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.08 µg/m³
  • PM10: 5.44 µg/m³
  • O3: 0.035 ppm
  • NO2: 4.7 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

10 PM
33 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 4.63 µg/m³
  • PM10: 6.28 µg/m³
  • O3: 0.036 ppm
  • NO2: 4.2 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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

11 PM
35 AQI
Good air quality Dominant pollutant: O3
Details

Pollutant Concentrations:

  • PM2.5: 5.11 µg/m³
  • PM10: 7.06 µg/m³
  • O3: 0.038 ppm
  • NO2: 3.6 ppb
  • SO2: 0.4 ppb
  • CO: 0.13 ppm

Health Recommendations:

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