Letchworth AQI History

Hourly air quality data for the past 24 hours in Letchworth, Hertfordshire.

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
08:00 am56Moderate12.019.0
09:00 am56Moderate11.619.8
10:00 am56Moderate11.720.7
11:00 am53Moderate10.319.7
12:00 pm53Moderate10.319.6
01:00 pm54Moderate10.621.0
02:00 pm55Moderate11.326.9
03:00 pm56Moderate11.829.8
04:00 pm56Moderate11.827.3
05:00 pm56Moderate11.727.1
06:00 pm58Moderate12.629.2
07:00 pm58Moderate13.133.6
08:00 pm60Moderate13.732.9
09:00 pm61Moderate14.534.5
10:00 pm62Moderate15.134.3
11:00 pm63Moderate15.835.7
12:00 am64Moderate16.038.1
01:00 am64Moderate16.133.3
02:00 am65Moderate16.733.0
03:00 am66Moderate17.133.7
04:00 am67Moderate17.533.2
05:00 am67Moderate17.531.8
06:00 am65Moderate16.832.5
07:00 am64Moderate16.031.1
08:00 am61Moderate14.526.9
09:00 am56Moderate11.822.3
10:00 am50Good9.019.8
11:00 am43Good7.816.7
12:00 pm38Good6.814.6
01:00 pm36Good6.415.6
02:00 pm39Good7.015.0
03:00 pm36Good6.512.5
04:00 pm34Good6.110.6
05:00 pm29Good5.39.3
06:00 pm28Good5.18.3
07:00 pm27Good4.87.7
08:00 pm28Good5.17.7
09:00 pm29Good5.38.5
10:00 pm32Good5.89.6
11:00 pm36Good6.510.6
12:00 am38Good6.811.2
01:00 am43Good7.712.3
02:00 am41Good7.313.2
03:00 am44Good8.012.0
04:00 am42Good7.611.2
05:00 am39Good7.010.5
06:00 am37Good6.69.4
07:00 am36Good6.49.7
08:00 am37Good6.610.6
09:00 am37Good6.710.5
10:00 am36Good6.49.9
11:00 am32Good5.710.0
12:00 pm31Good5.510.3
01:00 pm29Good5.210.8
02:00 pm31Good5.510.9
03:00 pm32Good5.710.7
04:00 pm29Good5.310.0
05:00 pm29Good5.29.2
06:00 pm25Good4.59.0
07:00 pm22Good4.08.2
08:00 pm23Good4.17.2
09:00 pm22Good4.07.3
10:00 pm23Good4.17.4
11:00 pm26Good4.67.4
12:00 am26Good4.67.3
01:00 am26Good4.77.0
02:00 am27Good4.97.4
03:00 am28Good5.17.8
04:00 am27Good4.98.1
05:00 am29Good5.28.0
06:00 am25Good4.58.0
07:00 am23Good4.26.6
08:00 am22Good3.96.7
09:00 am17Good3.06.5
10:00 am15Good2.76.3
11:00 am16Good2.85.9
12:00 pm16Good2.96.1
01:00 pm17Good3.06.4
02:00 pm18Good3.36.7
03:00 pm20Good3.67.4
04:00 pm22Good3.96.9
05:00 pm21Good3.86.6
06:00 pm19Good3.56.4
07:00 pm18Good3.26.2
08:00 pm19Good3.56.5
09:00 pm24Good4.47.0
10:00 pm25Good4.57.4
11:00 pm26Good4.68.4
12:00 am29Good5.38.7
01:00 am24Good4.48.6
02:00 am25Good4.58.1
03:00 am26Good4.78.2
04:00 am31Good5.510.3
05:00 am36Good6.511.3
06:00 am43Good7.711.7
07:00 am34Good6.110.6
08:00 am26Good4.69.9
09:00 am27Good4.910.0
10:00 am29Good5.210.2
11:00 am36Good6.49.7
12:00 pm34Good6.28.8
01:00 pm36Good6.48.8
02:00 pm31Good5.69.1
03:00 pm32Good5.79.6
04:00 pm29Good5.39.6
05:00 pm26Good4.79.1
06:00 pm22Good4.07.5
07:00 pm20Good3.66.5
08:00 pm17Good3.05.1
09:00 pm13Good2.43.4
10:00 pm11Good2.02.7
11:00 pm11Good1.92.8
12:00 am9Good1.72.7
01:00 am10Good1.82.2
02:00 am9Good1.62.2
03:00 am7Good1.31.8
04:00 am7Good1.31.8
05:00 am7Good1.31.9
06:00 am8Good1.42.0
07:00 am8Good1.52.3
08:00 am8Good1.52.2
09:00 am10Good1.82.4
10:00 am13Good2.33.6
11:00 am16Good2.84.3
12:00 pm18Good3.25.1
01:00 pm16Good2.94.8
02:00 pm17Good3.14.1
03:00 pm17Good3.04.1
04:00 pm17Good3.03.9
05:00 pm13Good2.43.4
06:00 pm13Good2.44.2
07:00 pm14Good2.53.4
08:00 pm17Good3.04.0
09:00 pm15Good2.74.1
10:00 pm17Good3.04.8
11:00 pm19Good3.45.1
12:00 am19Good3.45.2
01:00 am14Good2.54.4
02:00 am13Good2.34.2
03:00 am15Good2.74.2
04:00 am18Good3.24.7
05:00 am21Good3.85.4
06:00 am19Good3.56.4
07:00 am18Good3.36.9
08:00 am18Good3.26.6
09:00 am16Good2.95.8
10:00 am14Good2.55.4
11:00 am15Good2.75.9
12:00 pm14Good2.64.7
01:00 pm13Good2.44.3
02:00 pm13Good2.33.7
03:00 pm14Good2.64.8
04:00 pm19Good3.56.4
05:00 pm23Good4.27.1
06:00 pm19Good3.46.2
07:00 pm21Good3.76.5
08:00 pm22Good3.96.5
09:00 pm23Good4.26.9
10:00 pm25Good4.57.3
11:00 pm26Good4.77.8
12:00 am27Good4.99.0
01:00 am29Good5.310.6
02:00 am29Good5.310.4
03:00 am30Good5.410.0
04:00 am28Good5.08.3
05:00 am28Good5.18.6
06:00 am28Good5.08.5
07:00 am26Good4.68.3
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