Rockford AQI History

Hourly air quality data for the past 24 hours in Rockford, Illinois.

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
04:00 am22Good4.04.4
05:00 am12Good2.22.4
06:00 am12Good2.12.2
07:00 am34Good6.16.6
08:00 am41Good7.37.8
09:00 am45Good8.18.5
10:00 am45Good8.18.6
11:00 am42Good7.68.1
12:00 pm39Good7.17.6
01:00 pm37Good6.67.2
02:00 pm35Good6.36.9
03:00 pm34Good6.26.9
04:00 pm35Good6.37.1
05:00 pm37Good6.67.2
06:00 pm38Good6.87.3
07:00 pm4Good0.70.7
08:00 pm4Good0.70.7
09:00 pm6Good1.01.0
10:00 pm7Good1.31.3
11:00 pm9Good1.61.6
12:00 am10Good1.81.9
01:00 am12Good2.12.2
02:00 am13Good2.32.5
03:00 am14Good2.52.6
04:00 am14Good2.62.7
05:00 am16Good2.82.9
06:00 am17Good3.13.2
07:00 am18Good3.23.5
08:00 am18Good3.33.5
09:00 am24Good4.34.6
10:00 am31Good5.55.9
11:00 am30Good5.45.8
12:00 pm27Good4.85.3
01:00 pm26Good4.65.1
02:00 pm26Good4.65.0
03:00 pm26Good4.65.0
04:00 pm26Good4.75.1
05:00 pm26Good4.75.1
06:00 pm27Good4.85.2
07:00 pm24Good4.44.5
08:00 pm25Good4.54.7
09:00 pm27Good4.95.1
10:00 pm26Good4.64.7
11:00 pm29Good5.35.3
12:00 am36Good6.56.7
01:00 am41Good7.47.6
02:00 am43Good7.77.9
03:00 am41Good7.47.6
04:00 am37Good6.76.9
05:00 am32Good5.86.1
06:00 am27Good4.95.2
07:00 am12Good2.22.2
08:00 am7Good1.21.2
09:00 am4Good0.70.7
10:00 am4Good0.70.7
11:00 am4Good0.70.7
12:00 pm4Good0.80.8
01:00 pm4Good0.80.8
02:00 pm5Good0.90.9
03:00 pm5Good0.90.9
04:00 pm5Good0.91.0
05:00 pm5Good0.91.0
06:00 pm6Good1.01.1
07:00 pm33Good5.97.2
08:00 pm27Good4.85.5
09:00 pm19Good3.53.8
10:00 pm14Good2.62.7
11:00 pm13Good2.42.4
12:00 am14Good2.52.5
01:00 am16Good2.82.8
02:00 am18Good3.33.3
03:00 am21Good3.73.7
04:00 am22Good4.04.0
05:00 am22Good4.04.0
06:00 am22Good3.93.9
07:00 am11Good1.91.9
08:00 am10Good1.81.8
09:00 am9Good1.71.8
10:00 am9Good1.71.8
11:00 am9Good1.71.7
12:00 pm11Good1.91.9
01:00 pm13Good2.32.3
02:00 pm16Good2.82.8
03:00 pm18Good3.33.3
04:00 pm21Good3.83.8
05:00 pm24Good4.34.3
06:00 pm26Good4.64.7
07:00 pm3Good0.50.5
08:00 pm6Good1.11.1
09:00 pm7Good1.31.4
10:00 pm6Good1.11.1
11:00 pm6Good1.11.2
12:00 am7Good1.31.4
01:00 am8Good1.41.5
02:00 am8Good1.51.5
03:00 am9Good1.71.7
04:00 am11Good2.02.1
05:00 am13Good2.32.4
06:00 am14Good2.62.8
07:00 am41Good7.38.6
08:00 am37Good6.68.0
09:00 am32Good5.87.4
10:00 am27Good4.96.4
11:00 am24Good4.35.7
12:00 pm23Good4.25.6
01:00 pm24Good4.35.7
02:00 pm26Good4.76.0
03:00 pm29Good5.36.4
04:00 pm33Good6.06.9
05:00 pm36Good6.57.2
06:00 pm37Good6.77.1
07:00 pm21Good3.74.0
08:00 pm19Good3.43.5
09:00 pm21Good3.73.7
10:00 pm21Good3.83.8
11:00 pm20Good3.63.6
12:00 am17Good3.13.1
01:00 am14Good2.52.5
02:00 am12Good2.12.1
03:00 am11Good1.91.9
04:00 am11Good2.02.0
05:00 am12Good2.22.2
06:00 am13Good2.42.4
07:00 am8Good1.41.4
08:00 am7Good1.21.2
09:00 am6Good1.01.1
10:00 am6Good1.11.1
11:00 am8Good1.41.4
12:00 pm9Good1.71.7
01:00 pm9Good1.61.6
02:00 pm8Good1.41.5
03:00 pm7Good1.31.5
04:00 pm8Good1.41.7
05:00 pm8Good1.51.8
06:00 pm9Good1.62.0
07:00 pm26Good4.64.6
08:00 pm23Good4.14.1
09:00 pm24Good4.44.4
10:00 pm27Good4.84.8
11:00 pm28Good5.15.2
12:00 am31Good5.55.6
01:00 am33Good6.06.1
02:00 am37Good6.66.7
03:00 am41Good7.37.3
04:00 am43Good7.87.8
05:00 am45Good8.18.1
06:00 am45Good8.18.1
07:00 am61Moderate14.714.8
08:00 am60Moderate13.813.9
09:00 am60Moderate13.914.5
10:00 am60Moderate13.915.1
11:00 am59Moderate13.415.0
12:00 pm56Moderate12.013.6
01:00 pm55Moderate11.112.7
02:00 pm53Moderate10.412.1
03:00 pm53Moderate10.011.9
04:00 pm52Moderate9.611.6
05:00 pm51Moderate9.211.3
06:00 pm49Good8.811.0
07:00 pm47Good8.410.5
08:00 pm45Good8.19.8
09:00 pm45Good8.19.7
10:00 pm44Good7.99.4
11:00 pm42Good7.68.9
12:00 am39Good7.18.4
01:00 am38Good6.87.8
02:00 am36Good6.47.3
03:00 am34Good6.27.0
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