Katy AQI History

Hourly air quality data for the past 24 hours in Katy, Texas.

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 am21Good3.821.5
02:00 am————
01:00 am53Moderate10.218.8
12:00 am62Moderate14.916.4
11:00 pm62Moderate15.015.0
10:00 pm62Moderate14.918.2
09:00 pm15Good1.116.9
08:00 pm31Good1.133.4
07:00 pm59Moderate13.533.6
06:00 pm55Moderate11.332.6
05:00 pm45Good8.132.4
04:00 pm30Good3.532.4
03:00 pm37Good6.729.1
02:00 pm42Good7.623.4
01:00 pm33Good5.924.3
12:00 pm36Good6.523.6
11:00 am24Good4.320.8
10:00 am19Good3.518.8
09:00 am26Good4.715.5
08:00 am25Good4.515.8
07:00 am22Good4.016.2
06:00 am14Good1.715.3
05:00 am52Moderate9.618.4
04:00 am54Moderate10.826.6
03:00 am55Moderate11.035.5
02:00 am55Moderate11.030.0
01:00 am54Moderate10.932.8
12:00 am39Good7.041.9
11:00 pm31Good4.133.7
10:00 pm28Good5.124.1
09:00 pm23Good4.222.4
08:00 pm————
07:00 pm25Good2.227.1
06:00 pm32Good3.135.1
05:00 pm34Good6.137.8
04:00 pm44Good0.147.2
03:00 pm46Good4.450.0
02:00 pm50Good9.035.7
01:00 pm26Good4.428.8
12:00 pm43Good7.827.1
11:00 am39Good6.930.8
10:00 am37Good6.627.1
09:00 am46Good8.225.5
08:00 am23Good0.125.2
07:00 am24Good0.126.5
06:00 am25Good0.127.8
05:00 am25Good0.027.2
04:00 am24Good0.026.6
03:00 am41Good3.144.3
02:00 am42Good6.145.9
01:00 am31Good4.033.6
12:00 am39Good7.034.7
11:00 pm44Good8.042.7
10:00 pm50Good9.046.0
09:00 pm37Good4.940.4
08:00 pm48Good8.733.3
07:00 pm52Moderate9.749.5
06:00 pm47Good1.151.2
05:00 pm31Good1.134.6
04:00 pm34Good1.138.0
03:00 pm53Moderate5.360.0
02:00 pm53Moderate10.243.6
01:00 pm52Moderate9.838.3
12:00 pm29Good0.131.8
11:00 am31Good0.134.3
10:00 am40Good0.143.9
09:00 am31Good2.434.6
08:00 am34Good2.537.9
07:00 am33Good2.536.1
06:00 am34Good1.037.8
05:00 am29Good4.031.1
04:00 am27Good4.029.6
03:00 am27Good3.529.9
02:00 am33Good5.930.6
01:00 am28Good5.022.4
12:00 am33Good5.921.0
11:00 pm28Good5.019.9
10:00 pm19Good3.121.3
09:00 pm23Good4.118.6
08:00 pm23Good4.118.5
07:00 pm17Good1.119.0
06:00 pm17Good2.118.3
05:00 pm26Good4.719.4
04:00 pm20Good3.523.0
03:00 pm21Good3.721.6
02:00 pm33Good6.017.4
01:00 pm17Good2.918.3
12:00 pm26Good4.816.1
11:00 am31Good5.613.9
10:00 am23Good4.116.1
09:00 am30Good5.414.8
08:00 am18Good3.216.1
07:00 am23Good4.217.4
06:00 am17Good3.016.3
05:00 am17Good3.016.4
04:00 am17Good3.018.1
03:00 am36Good6.518.6
02:00 am28Good5.021.0
01:00 am53Moderate10.025.8
12:00 am64Moderate16.025.9
11:00 pm50Good9.026.2
10:00 pm33Good6.025.3
09:00 pm53Moderate10.027.0
08:00 pm28Good5.028.1
07:00 pm55Moderate11.126.6
06:00 pm43Good7.727.5
05:00 pm44Good8.028.1
04:00 pm32Good3.735.6
03:00 pm39Good7.035.2
02:00 pm32Good4.835.6
01:00 pm45Good0.849.5
12:00 pm34Good5.237.9
11:00 am39Good4.842.3
10:00 am25Good1.427.7
09:00 am19Good0.320.9
08:00 am20Good0.622.8
07:00 am21Good0.623.9
06:00 am22Good1.124.5
05:00 am21Good3.023.5
04:00 am33Good6.024.3
03:00 am54Moderate11.028.6
02:00 am44Good8.029.8
01:00 am44Good8.028.4
12:00 am39Good7.034.3
11:00 pm32Good5.035.7
10:00 pm30Good4.032.0
09:00 pm28Good5.130.9
08:00 pm32Good3.135.0
07:00 pm32Good0.135.1
06:00 pm26Good0.128.9
05:00 pm27Good4.828.9
04:00 pm42Good7.531.7
03:00 pm38Good3.141.3
02:00 pm22Good3.324.2
01:00 pm26Good4.816.7
12:00 pm32Good5.817.1
11:00 am20Good3.515.6
10:00 am34Good6.114.6
09:00 am45Good8.022.6
08:00 am57Moderate12.322.6
07:00 am57Moderate12.322.6
06:00 am22Good4.023.9
05:00 am22Good4.024.2
04:00 am22Good4.024.7
03:00 am18Good1.119.9
02:00 am25Good4.519.1
01:00 am25Good4.519.5
12:00 am28Good5.020.4
11:00 pm19Good1.020.1
10:00 pm16Good1.017.5
09:00 pm17Good3.016.1
08:00 pm38Good6.917.4
07:00 pm18Good3.317.9
06:00 pm28Good5.119.1
05:00 pm42Good7.624.2
04:00 pm55Moderate11.434.3
03:00 pm44Good7.936.9
02:00 pm43Good7.833.4
01:00 pm50Good8.930.8
12:00 pm54Moderate10.525.9
11:00 am52Moderate9.625.8
10:00 am55Moderate11.224.5
09:00 am53Moderate10.424.1
08:00 am52Moderate9.721.2
07:00 am53Moderate10.322.6
← Back to Katy AQI