Leominster AQI History

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

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
10:00 pm43Good7.77.7
11:00 pm48Good8.68.7
12:00 am50Good9.09.1
01:00 am50Good9.09.1
02:00 am50Good9.09.2
03:00 am51Moderate9.19.3
04:00 am51Moderate9.29.5
05:00 am52Moderate9.610.0
06:00 am53Moderate10.310.8
07:00 am55Moderate11.412.0
08:00 am39Good7.17.6
09:00 am36Good6.46.9
10:00 am21Good3.84.1
11:00 am17Good3.13.4
12:00 pm22Good3.94.3
01:00 pm29Good5.25.7
02:00 pm32Good5.86.3
03:00 pm54Moderate10.711.7
04:00 pm36Good6.56.9
05:00 pm31Good5.55.8
06:00 pm26Good4.75.0
07:00 pm25Good4.54.8
08:00 pm61Moderate14.615.3
09:00 pm62Moderate14.915.5
10:00 pm64Moderate16.116.8
11:00 pm67Moderate17.618.3
12:00 am69Moderate19.019.8
01:00 am71Moderate19.920.8
02:00 am72Moderate20.521.4
03:00 am73Moderate20.721.7
04:00 am72Moderate20.521.6
05:00 am71Moderate19.821.0
06:00 am69Moderate18.819.7
07:00 am67Moderate17.518.3
08:00 am44Good8.08.4
09:00 am27Good4.96.7
10:00 am41Good7.311.8
11:00 am36Good6.510.1
12:00 pm29Good5.37.9
01:00 pm25Good4.56.6
02:00 pm22Good4.05.8
03:00 pm21Good3.85.5
04:00 pm26Good4.77.2
05:00 pm27Good4.86.7
06:00 pm28Good5.06.5
07:00 pm33Good6.07.7
08:00 pm65Moderate16.622.5
09:00 pm64Moderate16.321.8
10:00 pm61Moderate14.418.5
11:00 pm56Moderate11.814.2
12:00 am53Moderate10.012.3
01:00 am46Good8.210.1
02:00 am40Good7.28.8
03:00 am39Good7.18.1
04:00 am38Good6.97.5
05:00 am34Good6.26.6
06:00 am26Good4.74.9
07:00 am14Good2.52.7
08:00 am21Good3.74.5
09:00 am12Good2.12.6
10:00 am7Good1.21.4
11:00 am4Good0.70.8
12:00 pm3Good0.60.7
01:00 pm4Good0.70.7
02:00 pm7Good1.21.2
03:00 pm9Good1.61.8
04:00 pm13Good2.42.7
05:00 pm15Good2.73.0
06:00 pm18Good3.23.8
07:00 pm21Good3.84.4
08:00 pm53Moderate10.212.5
09:00 pm55Moderate11.213.5
10:00 pm59Moderate13.415.8
11:00 pm62Moderate15.117.5
12:00 am64Moderate15.918.4
01:00 am64Moderate16.218.6
02:00 am65Moderate16.418.7
03:00 am63Moderate15.818.0
04:00 am62Moderate14.916.9
05:00 am59Moderate13.314.9
06:00 am54Moderate10.511.7
07:00 am37Good6.67.3
08:00 am12Good2.12.4
09:00 am13Good2.32.8
10:00 am14Good2.53.0
11:00 am15Good2.73.3
12:00 pm21Good3.74.6
01:00 pm30Good5.46.9
02:00 pm38Good6.99.1
03:00 pm46Good8.210.2
04:00 pm51Moderate9.311.7
05:00 pm54Moderate10.513.0
06:00 pm56Moderate11.614.0
07:00 pm55Moderate11.112.7
08:00 pm65Moderate16.519.0
09:00 pm65Moderate16.518.7
10:00 pm64Moderate16.118.0
11:00 pm62Moderate15.016.5
12:00 am61Moderate14.315.5
01:00 am63Moderate15.616.8
02:00 am64Moderate16.217.3
03:00 am65Moderate16.617.9
04:00 am63Moderate15.316.3
05:00 am59Moderate13.514.5
06:00 am58Moderate13.014.4
07:00 am55Moderate11.514.1
08:00 am38Good6.98.9
09:00 am31Good5.57.6
10:00 am31Good5.57.8
11:00 am32Good5.88.4
12:00 pm32Good5.88.5
01:00 pm33Good5.98.6
02:00 pm32Good5.78.2
03:00 pm31Good5.57.9
04:00 pm29Good5.37.5
05:00 pm28Good5.17.2
06:00 pm28Good5.16.9
07:00 pm31Good5.57.5
08:00 pm64Moderate15.921.3
09:00 pm67Moderate17.522.8
10:00 pm68Moderate18.323.3
11:00 pm69Moderate18.523.5
12:00 am67Moderate17.922.9
01:00 am66Moderate17.122.0
02:00 am64Moderate16.221.3
03:00 am64Moderate16.021.2
04:00 am64Moderate16.021.5
05:00 am63Moderate15.520.8
06:00 am61Moderate14.319.2
07:00 am56Moderate12.015.6
08:00 am54Moderate10.814.1
09:00 am59Moderate13.217.6
10:00 am65Moderate16.522.2
11:00 am68Moderate18.424.2
12:00 pm65Moderate16.822.0
01:00 pm63Moderate15.520.5
02:00 pm59Moderate13.417.2
03:00 pm56Moderate11.714.8
04:00 pm53Moderate10.012.6
05:00 pm49Good8.911.1
06:00 pm49Good8.910.7
07:00 pm52Moderate9.711.2
08:00 pm60Moderate14.016.8
09:00 pm59Moderate13.515.8
10:00 pm58Moderate12.614.2
11:00 pm56Moderate11.712.7
12:00 am55Moderate11.011.8
01:00 am54Moderate10.711.4
02:00 am54Moderate10.911.6
03:00 am55Moderate11.412.1
04:00 am56Moderate11.912.7
05:00 am58Moderate12.713.5
06:00 am60Moderate14.014.8
07:00 am59Moderate13.514.1
08:00 am11Good2.02.1
09:00 am8Good1.51.5
10:00 am6Good1.01.0
11:00 am5Good0.90.9
12:00 pm4Good0.80.8
01:00 pm4Good0.80.8
02:00 pm4Good0.70.7
03:00 pm4Good0.80.8
04:00 pm4Good0.80.8
05:00 pm5Good0.90.9
06:00 pm6Good1.01.0
07:00 pm8Good1.51.5
08:00 pm29Good5.25.2
09:00 pm49Good8.99.2
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