Castle Pines AQI History

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

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
06:00 am————
05:00 am————
04:00 am————
03:00 am19Good3.021.6
02:00 am————
01:00 am28Good3.330.0
12:00 am25Good3.827.1
11:00 pm30Good5.429.5
10:00 pm32Good5.727.7
09:00 pm32Good5.724.3
08:00 pm30Good5.428.4
07:00 pm30Good5.423.7
06:00 pm25Good4.519.4
05:00 pm24Good4.319.3
04:00 pm24Good4.315.7
03:00 pm20Good3.711.7
02:00 pm20Good3.59.6
01:00 pm19Good3.48.8
12:00 pm21Good3.88.6
11:00 am21Good3.77.8
10:00 am19Good3.59.1
09:00 am20Good3.57.5
08:00 am20Good3.59.2
07:00 am20Good3.617.1
06:00 am21Good3.820.2
05:00 am21Good3.923.4
04:00 am22Good4.014.7
03:00 am23Good4.215.7
02:00 am23Good4.115.0
01:00 am25Good4.515.9
12:00 am26Good4.821.0
11:00 pm26Good4.617.0
10:00 pm24Good4.321.3
09:00 pm22Good4.014.4
08:00 pm————
07:00 pm27Good4.812.7
06:00 pm22Good3.911.9
05:00 pm17Good3.115.1
04:00 pm20Good3.611.2
03:00 pm19Good3.312.4
02:00 pm14Good2.69.9
01:00 pm15Good2.610.9
12:00 pm14Good2.611.0
11:00 am16Good2.912.3
10:00 am16Good2.914.9
09:00 am21Good3.714.9
08:00 am17Good3.117.9
07:00 am18Good3.215.5
06:00 am18Good3.218.4
05:00 am19Good3.321.9
04:00 am19Good3.419.1
03:00 am22Good4.018.1
02:00 am27Good4.916.6
01:00 am26Good4.617.1
12:00 am24Good4.416.8
11:00 pm24Good4.416.6
10:00 pm27Good4.818.8
09:00 pm27Good4.818.7
08:00 pm29Good5.220.5
07:00 pm31Good5.621.7
06:00 pm27Good4.818.5
05:00 pm24Good4.422.3
04:00 pm24Good4.216.7
03:00 pm21Good3.814.1
02:00 pm19Good3.412.2
01:00 pm19Good3.512.8
12:00 pm19Good3.311.4
11:00 am20Good3.511.2
10:00 am20Good3.611.5
09:00 am22Good3.910.7
08:00 am23Good4.111.4
07:00 am23Good4.112.4
06:00 am24Good4.313.9
05:00 am25Good4.416.2
04:00 am29Good5.216.2
03:00 am26Good4.719.6
02:00 am27Good4.811.1
01:00 am25Good4.69.1
12:00 am26Good4.68.3
11:00 pm27Good4.98.2
10:00 pm25Good4.59.1
09:00 pm16Good3.08.7
08:00 pm24Good4.37.8
07:00 pm15Good2.76.7
06:00 pm24Good4.36.1
05:00 pm27Good4.85.6
04:00 pm15Good2.67.2
03:00 pm13Good2.47.7
02:00 pm19Good3.37.8
01:00 pm15Good2.78.0
12:00 pm14Good2.68.3
11:00 am16Good2.98.8
10:00 am16Good3.08.8
09:00 am17Good3.012.1
08:00 am19Good3.412.3
07:00 am19Good3.514.6
06:00 am21Good3.814.3
05:00 am24Good4.38.9
04:00 am21Good3.75.9
03:00 am23Good4.27.5
02:00 am22Good4.09.6
01:00 am24Good4.312.3
12:00 am24Good4.312.2
11:00 pm26Good4.614.7
10:00 pm26Good4.714.5
09:00 pm26Good4.615.1
08:00 pm25Good4.613.5
07:00 pm25Good4.413.2
06:00 pm24Good4.314.3
05:00 pm22Good4.014.1
04:00 pm21Good3.810.9
03:00 pm21Good3.89.1
02:00 pm20Good3.510.7
01:00 pm17Good3.19.9
12:00 pm18Good3.310.8
11:00 am19Good3.510.6
10:00 am19Good3.510.5
09:00 am19Good3.510.5
08:00 am20Good3.612.2
07:00 am22Good3.913.2
06:00 am21Good3.814.7
05:00 am22Good4.015.3
04:00 am23Good4.18.5
03:00 am24Good4.310.1
02:00 am25Good4.69.4
01:00 am24Good4.311.7
12:00 am23Good4.117.6
11:00 pm22Good4.016.6
10:00 pm24Good4.312.6
09:00 pm26Good4.713.1
08:00 pm27Good4.912.1
07:00 pm26Good4.713.7
06:00 pm25Good4.413.7
05:00 pm24Good4.413.6
04:00 pm26Good4.711.2
03:00 pm27Good4.88.2
02:00 pm30Good5.56.5
01:00 pm34Good6.16.3
12:00 pm22Good4.07.2
11:00 am16Good2.97.1
10:00 am14Good2.57.2
09:00 am15Good2.67.3
08:00 am16Good2.97.7
07:00 am18Good3.38.0
06:00 am18Good3.28.8
05:00 am19Good3.410.6
04:00 am21Good3.817.2
03:00 am27Good4.917.2
02:00 am34Good6.017.2
01:00 am33Good5.917.2
12:00 am35Good6.313.4
11:00 pm34Good6.014.7
10:00 pm33Good5.910.9
09:00 pm32Good5.88.5
08:00 pm29Good5.210.0
07:00 pm25Good4.416.5
06:00 pm21Good3.810.5
05:00 pm17Good3.06.7
04:00 pm16Good2.96.5
03:00 pm11Good2.06.8
02:00 pm9Good1.66.4
01:00 pm8Good1.54.8
12:00 pm9Good1.75.1
11:00 am9Good1.63.2
10:00 am10Good1.92.8
09:00 am10Good1.73.6
08:00 am8Good1.43.0
07:00 am7Good1.32.5
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