Broomfield AQI History

Hourly air quality data for the past 24 hours in Broomfield, Colorado.

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
01:00 am41Good7.47.8
02:00 am38Good6.97.3
03:00 am39Good7.07.3
04:00 am39Good7.17.5
05:00 am40Good7.27.5
06:00 am37Good6.76.9
07:00 am33Good5.96.3
08:00 am29Good5.35.9
09:00 am24Good4.35.2
10:00 am25Good4.55.2
11:00 am26Good4.75.3
12:00 pm28Good5.15.8
01:00 pm32Good5.76.5
02:00 pm34Good6.17.0
03:00 pm33Good6.07.1
04:00 pm34Good6.27.3
05:00 pm35Good6.37.5
06:00 pm12Good2.23.5
07:00 pm14Good2.63.9
08:00 pm22Good3.95.0
09:00 pm33Good5.97.2
10:00 pm41Good7.48.7
11:00 pm47Good8.59.7
12:00 am50Good9.010.1
01:00 am49Good8.89.7
02:00 am45Good8.19.0
03:00 am42Good7.58.4
04:00 am39Good7.07.9
05:00 am38Good6.97.7
06:00 am37Good6.77.9
07:00 am38Good6.98.1
08:00 am38Good6.87.9
09:00 am34Good6.19.3
10:00 am33Good6.09.9
11:00 am34Good6.110.3
12:00 pm33Good6.011.0
01:00 pm35Good6.311.7
02:00 pm37Good6.612.3
03:00 pm38Good6.812.6
04:00 pm40Good7.213.3
05:00 pm36Good6.410.6
06:00 pm55Moderate11.221.0
07:00 pm53Moderate10.216.4
08:00 pm53Moderate10.215.3
09:00 pm54Moderate10.515.3
10:00 pm55Moderate11.414.6
11:00 pm56Moderate12.014.9
12:00 am57Moderate12.115.1
01:00 am57Moderate12.315.5
02:00 am59Moderate13.316.2
03:00 am59Moderate13.315.4
04:00 am57Moderate12.514.1
05:00 am56Moderate11.713.5
06:00 am53Moderate10.211.9
07:00 am49Good8.810.3
08:00 am44Good7.910.3
09:00 am44Good8.013.5
10:00 am43Good7.713.4
11:00 am42Good7.513.2
12:00 pm41Good7.413.1
01:00 pm41Good7.413.0
02:00 pm39Good7.112.7
03:00 pm36Good6.412.7
04:00 pm33Good5.912.3
05:00 pm27Good4.89.9
06:00 pm48Good8.619.6
07:00 pm46Good8.217.9
08:00 pm47Good8.415.5
09:00 pm52Moderate9.416.1
10:00 pm52Moderate9.414.9
11:00 pm51Moderate9.313.7
12:00 am51Moderate9.313.1
01:00 am51Moderate9.312.9
02:00 am51Moderate9.212.7
03:00 am49Good8.912.1
04:00 am46Good8.310.9
05:00 am42Good7.69.8
06:00 am47Good8.411.0
07:00 am42Good7.59.7
08:00 am39Good7.111.4
09:00 am43Good7.714.7
10:00 am41Good7.315.6
11:00 am42Good7.516.2
12:00 pm43Good7.716.5
01:00 pm43Good7.816.4
02:00 pm43Good7.716.2
03:00 pm41Good7.415.3
04:00 pm41Good7.314.7
05:00 pm38Good6.913.9
06:00 pm52Moderate9.820.1
07:00 pm52Moderate9.619.4
08:00 pm54Moderate10.518.2
09:00 pm55Moderate11.018.8
10:00 pm53Moderate10.416.1
11:00 pm53Moderate10.113.8
12:00 am53Moderate10.213.4
01:00 am54Moderate10.513.9
02:00 am54Moderate10.815.0
03:00 am54Moderate10.915.5
04:00 am54Moderate10.715.3
05:00 am53Moderate10.315.3
06:00 am52Moderate9.414.5
07:00 am45Good8.112.5
08:00 am47Good8.414.8
09:00 am39Good7.112.2
10:00 am37Good6.711.1
11:00 am38Good6.810.8
12:00 pm41Good7.411.7
01:00 pm43Good7.711.9
02:00 pm42Good7.510.9
03:00 pm41Good7.410.7
04:00 pm39Good7.110.2
05:00 pm41Good7.310.2
06:00 pm61Moderate14.623.7
07:00 pm62Moderate15.023.6
08:00 pm62Moderate15.121.9
09:00 pm66Moderate16.924.4
10:00 pm69Moderate18.726.6
11:00 pm69Moderate18.925.7
12:00 am67Moderate17.723.7
01:00 am67Moderate17.624.3
02:00 am65Moderate16.722.8
03:00 am61Moderate14.719.4
04:00 am59Moderate13.217.2
05:00 am59Moderate13.317.8
06:00 am57Moderate12.315.7
07:00 am55Moderate11.113.9
08:00 am58Moderate12.817.3
09:00 am54Moderate10.914.8
10:00 am52Moderate9.513.2
11:00 am47Good8.411.9
12:00 pm41Good7.310.4
01:00 pm36Good6.49.1
02:00 pm32Good5.87.9
03:00 pm32Good5.77.7
04:00 pm33Good5.97.6
05:00 pm33Good6.07.7
06:00 pm56Moderate11.916.8
07:00 pm58Moderate12.817.3
08:00 pm59Moderate13.417.3
09:00 pm58Moderate12.915.5
10:00 pm57Moderate12.314.3
11:00 pm57Moderate12.114.0
12:00 am57Moderate12.113.9
01:00 am57Moderate12.514.1
02:00 am57Moderate12.514.0
03:00 am57Moderate12.313.8
04:00 am56Moderate12.013.6
05:00 am56Moderate11.713.5
06:00 am51Moderate9.310.5
07:00 am47Good8.59.7
08:00 am41Good7.48.8
09:00 am43Good7.712.1
10:00 am44Good8.012.6
11:00 am46Good8.212.7
12:00 pm43Good7.811.6
01:00 pm43Good7.711.4
02:00 pm40Good7.210.7
03:00 pm37Good6.710.0
04:00 pm33Good6.08.7
05:00 pm34Good6.19.0
06:00 pm34Good6.18.8
07:00 pm34Good6.29.0
08:00 pm41Good7.49.6
09:00 pm49Good8.911.5
10:00 pm52Moderate9.912.5
11:00 pm54Moderate10.812.7
12:00 am54Moderate10.611.8
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