Lowell AQI History

Hourly air quality data for the past 24 hours in Lowell, Massachusetts.

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
04:00 am48Good8.79.1
05:00 am51Moderate9.29.7
06:00 am52Moderate9.810.4
07:00 am54Moderate10.811.3
08:00 am42Good7.57.8
09:00 am43Good7.88.4
10:00 am34Good6.26.7
11:00 am29Good5.25.6
12:00 pm28Good5.15.6
01:00 pm31Good5.66.2
02:00 pm37Good6.67.3
03:00 pm36Good6.57.1
04:00 pm33Good5.96.3
05:00 pm27Good4.95.2
06:00 pm21Good3.84.1
07:00 pm17Good3.13.3
08:00 pm57Moderate12.512.9
09:00 pm59Moderate13.413.9
10:00 pm61Moderate14.514.9
11:00 pm63Moderate15.515.9
12:00 am64Moderate16.216.6
01:00 am66Moderate16.917.3
02:00 am67Moderate17.818.3
03:00 am69Moderate18.619.3
04:00 am70Moderate19.220.0
05:00 am70Moderate19.520.3
06:00 am71Moderate19.620.4
07:00 am71Moderate19.620.4
08:00 am56Moderate11.612.0
09:00 am46Good8.210.5
10:00 am51Moderate9.313.8
11:00 am46Good8.212.3
12:00 pm39Good7.010.5
01:00 pm34Good6.19.0
02:00 pm29Good5.37.7
03:00 pm27Good4.87.1
04:00 pm31Good5.68.4
05:00 pm32Good5.88.5
06:00 pm34Good6.28.5
07:00 pm40Good7.28.9
08:00 pm58Moderate12.917.7
09:00 pm57Moderate12.216.2
10:00 pm53Moderate10.013.0
11:00 pm49Good8.811.1
12:00 am48Good8.710.9
01:00 am50Good9.011.4
02:00 am48Good8.710.8
03:00 am44Good7.99.6
04:00 am36Good6.57.9
05:00 am32Good5.76.7
06:00 am26Good4.75.8
07:00 am13Good2.43.1
08:00 am14Good2.53.4
09:00 am7Good1.21.5
10:00 am4Good0.70.8
11:00 am3Good0.60.7
12:00 pm4Good0.80.9
01:00 pm7Good1.31.5
02:00 pm10Good1.82.1
03:00 pm12Good2.22.6
04:00 pm17Good3.03.6
05:00 pm18Good3.34.1
06:00 pm20Good3.64.4
07:00 pm23Good4.14.8
08:00 pm54Moderate10.913.6
09:00 pm57Moderate12.114.8
10:00 pm61Moderate14.417.1
11:00 pm65Moderate16.518.9
12:00 am66Moderate17.019.3
01:00 am65Moderate16.619.0
02:00 am65Moderate16.719.0
03:00 am64Moderate16.218.5
04:00 am63Moderate15.417.6
05:00 am60Moderate13.915.9
06:00 am55Moderate11.112.7
07:00 am42Good7.58.4
08:00 am12Good2.12.3
09:00 am14Good2.52.8
10:00 am15Good2.73.1
11:00 am15Good2.73.2
12:00 pm21Good3.74.6
01:00 pm29Good5.37.1
02:00 pm37Good6.79.1
03:00 pm38Good6.88.8
04:00 pm43Good7.710.0
05:00 pm49Good8.911.3
06:00 pm52Moderate9.811.6
07:00 pm53Moderate10.111.3
08:00 pm64Moderate16.018.2
09:00 pm66Moderate17.119.1
10:00 pm61Moderate14.716.1
11:00 pm60Moderate14.115.3
12:00 am65Moderate16.517.7
01:00 am67Moderate17.618.7
02:00 am67Moderate17.819.0
03:00 am64Moderate16.217.2
04:00 am58Moderate12.714.3
05:00 am54Moderate10.613.1
06:00 am52Moderate9.512.7
07:00 am48Good8.711.9
08:00 am30Good5.47.7
09:00 am29Good5.27.4
10:00 am29Good5.27.5
11:00 am29Good5.37.8
12:00 pm33Good6.08.8
01:00 pm29Good5.27.7
02:00 pm27Good4.97.0
03:00 pm26Good4.66.6
04:00 pm24Good4.46.2
05:00 pm24Good4.46.1
06:00 pm25Good4.56.1
07:00 pm27Good4.96.6
08:00 pm64Moderate16.121.2
09:00 pm66Moderate17.122.2
10:00 pm67Moderate17.822.8
11:00 pm69Moderate18.923.9
12:00 am71Moderate19.825.0
01:00 am72Moderate20.425.7
02:00 am72Moderate20.425.9
03:00 am71Moderate19.825.4
04:00 am68Moderate18.023.3
05:00 am63Moderate15.720.4
06:00 am59Moderate13.417.5
07:00 am55Moderate11.214.4
08:00 am59Moderate13.217.4
09:00 am63Moderate15.420.5
10:00 am68Moderate18.424.6
11:00 am70Moderate19.525.5
12:00 pm68Moderate18.323.7
01:00 pm63Moderate15.620.6
02:00 pm60Moderate13.717.8
03:00 pm57Moderate12.115.3
04:00 pm54Moderate10.813.3
05:00 pm53Moderate10.412.4
06:00 pm55Moderate11.112.8
07:00 pm57Moderate12.413.8
08:00 pm64Moderate16.219.0
09:00 pm62Moderate14.916.9
10:00 pm59Moderate13.314.6
11:00 pm57Moderate12.213.1
12:00 am56Moderate11.612.3
01:00 am55Moderate11.412.1
02:00 am56Moderate11.612.5
03:00 am57Moderate12.313.1
04:00 am58Moderate13.013.9
05:00 am60Moderate13.914.8
06:00 am63Moderate15.316.1
07:00 am62Moderate14.815.5
08:00 am14Good2.62.6
09:00 am12Good2.12.2
10:00 am8Good1.51.5
11:00 am7Good1.21.2
12:00 pm5Good0.90.9
01:00 pm4Good0.80.8
02:00 pm4Good0.70.7
03:00 pm4Good0.80.8
04:00 pm5Good0.90.9
05:00 pm6Good1.01.0
06:00 pm7Good1.21.2
07:00 pm11Good2.02.0
08:00 pm27Good4.85.0
09:00 pm41Good7.47.6
10:00 pm48Good8.68.9
11:00 pm49Good8.89.3
12:00 am44Good7.98.6
01:00 am41Good7.38.1
02:00 am38Good6.97.9
03:00 am38Good6.87.7
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