Fitchburg AQI History

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

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
03:00 am44Good7.98.1
04:00 am44Good8.08.2
05:00 am47Good8.48.7
06:00 am51Moderate9.19.5
07:00 am53Moderate10.210.6
08:00 am17Good3.03.1
09:00 am19Good3.53.7
10:00 am12Good2.12.2
11:00 am16Good2.93.2
12:00 pm23Good4.24.6
01:00 pm28Good5.05.4
02:00 pm29Good5.25.6
03:00 pm30Good5.45.9
04:00 pm29Good5.25.6
05:00 pm27Good4.95.4
06:00 pm24Good4.34.7
07:00 pm20Good3.63.8
08:00 pm60Moderate14.014.8
09:00 pm62Moderate14.815.5
10:00 pm65Moderate16.417.1
11:00 pm68Moderate18.018.9
12:00 am70Moderate19.220.1
01:00 am71Moderate19.720.7
02:00 am71Moderate19.720.7
03:00 am70Moderate19.220.3
04:00 am68Moderate18.419.4
05:00 am66Moderate17.218.2
06:00 am64Moderate15.916.8
07:00 am61Moderate14.615.2
08:00 am12Good2.22.3
09:00 am11Good2.03.5
10:00 am33Good5.910.1
11:00 am31Good5.58.8
12:00 pm27Good4.97.6
01:00 pm24Good4.36.5
02:00 pm22Good4.06.2
03:00 pm22Good4.06.3
04:00 pm31Good5.68.9
05:00 pm27Good4.97.0
06:00 pm24Good4.45.9
07:00 pm25Good4.55.6
08:00 pm58Moderate12.616.8
09:00 pm56Moderate11.614.6
10:00 pm53Moderate10.212.4
11:00 pm51Moderate9.111.0
12:00 am43Good7.79.5
01:00 am35Good6.37.5
02:00 am31Good5.66.4
03:00 am28Good5.05.3
04:00 am26Good4.75.0
05:00 am23Good4.24.5
06:00 am17Good3.03.2
07:00 am8Good1.51.6
08:00 am16Good2.83.4
09:00 am6Good1.11.2
10:00 am2Good0.40.5
11:00 am2Good0.30.3
12:00 pm1Good0.20.2
01:00 pm2Good0.30.3
02:00 pm3Good0.50.5
03:00 pm6Good1.01.1
04:00 pm9Good1.71.8
05:00 pm12Good2.22.4
06:00 pm14Good2.62.9
07:00 pm17Good3.13.6
08:00 pm50Good9.010.6
09:00 pm52Moderate9.711.4
10:00 pm56Moderate11.613.4
11:00 pm59Moderate13.415.2
12:00 am62Moderate14.816.5
01:00 am63Moderate15.817.5
02:00 am65Moderate16.518.1
03:00 am65Moderate16.517.9
04:00 am65Moderate16.417.6
05:00 am61Moderate14.315.4
06:00 am55Moderate11.011.8
07:00 am40Good7.27.7
08:00 am11Good1.92.3
09:00 am12Good2.12.7
10:00 am14Good2.53.1
11:00 am20Good3.64.3
12:00 pm31Good5.66.6
01:00 pm39Good7.08.7
02:00 pm46Good8.210.7
03:00 pm52Moderate9.812.5
04:00 pm55Moderate11.114.0
05:00 pm56Moderate12.014.6
06:00 pm57Moderate12.214.1
07:00 pm55Moderate11.512.7
08:00 pm62Moderate14.816.4
09:00 pm61Moderate14.716.1
10:00 pm61Moderate14.415.7
11:00 pm61Moderate14.215.5
12:00 am59Moderate13.514.7
01:00 am60Moderate13.715.0
02:00 am60Moderate14.015.4
03:00 am61Moderate14.616.1
04:00 am62Moderate14.816.1
05:00 am56Moderate12.013.0
06:00 am55Moderate11.011.8
07:00 am55Moderate11.212.4
08:00 am45Good8.19.8
09:00 am29Good5.36.6
10:00 am26Good4.76.3
11:00 am26Good4.76.7
12:00 pm29Good5.37.6
01:00 pm31Good5.68.2
02:00 pm28Good5.17.4
03:00 pm26Good4.76.8
04:00 pm25Good4.56.4
05:00 pm23Good4.15.9
06:00 pm22Good3.95.5
07:00 pm23Good4.15.5
08:00 pm63Moderate15.821.4
09:00 pm68Moderate18.223.9
10:00 pm71Moderate19.825.4
11:00 pm71Moderate19.725.1
12:00 am69Moderate18.924.3
01:00 am69Moderate18.724.2
02:00 am69Moderate19.024.8
03:00 am70Moderate19.425.4
04:00 am70Moderate19.425.5
05:00 am69Moderate18.524.2
06:00 am66Moderate17.322.4
07:00 am59Moderate13.517.1
08:00 am52Moderate9.512.4
09:00 am54Moderate10.914.7
10:00 am59Moderate13.218.0
11:00 am63Moderate15.420.1
12:00 pm61Moderate14.318.3
01:00 pm59Moderate13.216.7
02:00 pm56Moderate11.814.8
03:00 pm53Moderate10.112.7
04:00 pm48Good8.610.9
05:00 pm43Good7.89.8
06:00 pm43Good7.89.3
07:00 pm47Good8.59.8
08:00 pm54Moderate10.913.1
09:00 pm53Moderate10.111.6
10:00 pm52Moderate9.610.6
11:00 pm52Moderate9.410.2
12:00 am52Moderate9.410.1
01:00 am52Moderate9.710.3
02:00 am53Moderate10.110.7
03:00 am54Moderate10.611.3
04:00 am55Moderate11.312.0
05:00 am57Moderate12.212.9
06:00 am60Moderate14.014.7
07:00 am60Moderate13.914.5
08:00 am7Good1.31.3
09:00 am6Good1.01.0
10:00 am4Good0.70.7
11:00 am3Good0.60.6
12:00 pm3Good0.50.5
01:00 pm2Good0.40.4
02:00 pm3Good0.50.5
03:00 pm3Good0.50.5
04:00 pm3Good0.50.5
05:00 pm3Good0.60.6
06:00 pm4Good0.70.7
07:00 pm11Good2.02.0
08:00 pm26Good4.74.8
09:00 pm39Good7.07.1
10:00 pm37Good6.76.9
11:00 pm33Good6.06.4
12:00 am30Good5.46.1
01:00 am28Good5.05.8
02:00 am28Good5.15.8
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