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Hourly Weather | Today › Tuesday, September 16, 2025
Lowell, Massachusetts
5 PM
Cloudy Weather
72°
Feels Like 72°
0
Humidity: 49%
Wind: 7 mph
UV Index: 19
6 PM
Cloudy Weather
70°
Feels Like 70°
0
Humidity: 52%
Wind: 6 mph
UV Index: 10
7 PM
Cloudy Night
66°
Feels Like 64°
0
Humidity: 60%
Wind: 6 mph
UV Index: 0
8 PM
Cloudy Night
63°
Feels Like 63°
0
Humidity: 70%
Wind: 5 mph
UV Index: 0
9 PM
Cloudy Night
61°
Feels Like 59°
0
Humidity: 80%
Wind: 5 mph
UV Index: 0
10 PM
Cloudy Night
55°
Feels Like 55°
0
Humidity: 90%
Wind: 4 mph
UV Index: 0
11 PM
Cloudy Night
52°
Feels Like 54°
0
Humidity: 96%
Wind: 4 mph
UV Index: 0

Hourly Air Quality Forecast - AQI (US EPA)

5 PM
52 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.74 µg/m³
  • PM10: 8.06 µg/m³
  • O₃: 40.01 ppb
  • NO₂: 4.19 ppb
  • SO₂: 0.48 ppb
  • CO: 181.24 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

6 PM
51 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 4.71 µg/m³
  • PM10: 7.47 µg/m³
  • O₃: 36.69 ppb
  • NO₂: 6.53 ppb
  • SO₂: 0.56 ppb
  • CO: 199.10 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

7 PM
51 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 6.12 µg/m³
  • PM10: 8.60 µg/m³
  • O₃: 32.36 ppb
  • NO₂: 9.24 ppb
  • SO₂: 0.66 ppb
  • CO: 220.07 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

8 PM
51 AQI
Moderate air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 7.01 µg/m³
  • PM10: 7.85 µg/m³
  • O₃: 29.74 ppb
  • NO₂: 12.42 ppb
  • SO₂: 0.81 ppb
  • CO: 243.36 ppb

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.

9 PM
49 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 8.41 µg/m³
  • PM10: 9.43 µg/m³
  • O₃: 26.19 ppb
  • NO₂: 14.22 ppb
  • SO₂: 0.93 ppb
  • CO: 257.71 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

10 PM
49 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 9.86 µg/m³
  • PM10: 11.07 µg/m³
  • O₃: 22.64 ppb
  • NO₂: 16.03 ppb
  • SO₂: 1.06 ppb
  • CO: 272.07 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

11 PM
49 AQI
Good air quality Dominant pollutant: pm25
Details

Pollutant Concentrations:

  • PM2.5: 11.49 µg/m³
  • PM10: 12.89 µg/m³
  • O₃: 19.09 ppb
  • NO₂: 17.83 ppb
  • SO₂: 1.18 ppb
  • CO: 286.42 ppb

Health Recommendations:

With this level of air quality, you have no limitations. Enjoy the outdoors

Current Real-Time Air Quality Report