St. Clair AQI History

Hourly air quality data for the past 24 hours in St. Clair, Ontario.

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
09:00 pm19Good3.43.5
10:00 pm14Good2.52.6
11:00 pm11Good1.92.0
12:00 am9Good1.71.7
01:00 am11Good1.91.9
02:00 am12Good2.22.2
03:00 am12Good2.22.2
04:00 am11Good1.92.0
05:00 am13Good2.42.5
06:00 am26Good4.64.8
07:00 am47Good8.48.6
08:00 am3Good0.60.6
09:00 am2Good0.30.3
10:00 am2Good0.40.4
11:00 am4Good0.70.8
12:00 pm6Good1.01.0
01:00 pm4Good0.80.9
02:00 pm4Good0.70.8
03:00 pm4Good0.70.8
04:00 pm4Good0.70.8
05:00 pm3Good0.60.7
06:00 pm3Good0.60.7
07:00 pm3Good0.60.6
08:00 pm29Good5.35.5
09:00 pm39Good7.17.3
10:00 pm44Good7.98.2
11:00 pm47Good8.58.8
12:00 am50Good9.09.3
01:00 am52Moderate9.69.9
02:00 am53Moderate10.110.4
03:00 am54Moderate10.711.0
04:00 am55Moderate11.311.6
05:00 am56Moderate11.611.9
06:00 am56Moderate11.912.2
07:00 am56Moderate11.912.1
08:00 am46Good8.28.4
09:00 am33Good6.06.1
10:00 am23Good4.14.2
11:00 am23Good4.14.2
12:00 pm30Good5.45.5
01:00 pm34Good6.26.3
02:00 pm29Good5.25.3
03:00 pm21Good3.73.8
04:00 pm13Good2.42.5
05:00 pm9Good1.71.8
06:00 pm8Good1.41.5
07:00 pm8Good1.41.4
08:00 pm11Good2.02.0
09:00 pm11Good1.92.0
10:00 pm13Good2.42.4
11:00 pm15Good2.72.8
12:00 am12Good2.12.2
01:00 am9Good1.71.8
02:00 am8Good1.41.4
03:00 am9Good1.71.8
04:00 am17Good3.03.3
05:00 am26Good4.75.2
06:00 am32Good5.86.4
07:00 am35Good6.36.9
08:00 am19Good3.44.0
09:00 am21Good3.74.2
10:00 am21Good3.74.2
11:00 am20Good3.64.0
12:00 pm19Good3.43.8
01:00 pm18Good3.23.5
02:00 pm17Good3.13.4
03:00 pm17Good3.03.2
04:00 pm16Good2.83.0
05:00 pm14Good2.52.7
06:00 pm13Good2.32.4
07:00 pm12Good2.12.2
08:00 pm30Good5.45.6
09:00 pm33Good5.96.1
10:00 pm36Good6.46.6
11:00 pm39Good7.07.1
12:00 am42Good7.67.7
01:00 am45Good8.18.3
02:00 am49Good8.99.1
03:00 am52Moderate9.79.8
04:00 am53Moderate10.210.4
05:00 am53Moderate10.410.6
06:00 am53Moderate10.210.4
07:00 am52Moderate9.910.0
08:00 am41Good7.47.6
09:00 am30Good5.45.8
10:00 am25Good4.55.1
11:00 am23Good4.24.8
12:00 pm22Good3.94.5
01:00 pm22Good3.94.5
02:00 pm22Good4.04.6
03:00 pm24Good4.34.9
04:00 pm27Good4.85.3
05:00 pm29Good5.35.8
06:00 pm31Good5.56.0
07:00 pm30Good5.45.8
08:00 pm32Good5.75.9
09:00 pm38Good6.97.2
10:00 pm45Good8.18.5
11:00 pm52Moderate9.810.2
12:00 am56Moderate11.812.3
01:00 am60Moderate14.014.5
02:00 am63Moderate15.515.9
03:00 am65Moderate16.717.2
04:00 am67Moderate17.518.0
05:00 am69Moderate18.819.3
06:00 am71Moderate20.020.4
07:00 am70Moderate19.419.8
08:00 am59Moderate13.213.3
09:00 am42Good7.67.7
10:00 am32Good5.75.9
11:00 am29Good5.35.6
12:00 pm29Good5.25.6
01:00 pm29Good5.25.7
02:00 pm30Good5.46.1
03:00 pm31Good5.66.4
04:00 pm30Good5.46.3
05:00 pm28Good5.05.9
06:00 pm25Good4.55.3
07:00 pm23Good4.14.8
08:00 pm28Good5.05.4
09:00 pm28Good5.15.4
10:00 pm27Good4.85.2
11:00 pm25Good4.54.8
12:00 am24Good4.34.5
01:00 am27Good4.95.1
02:00 am33Good6.06.2
03:00 am39Good7.17.2
04:00 am44Good7.98.0
05:00 am45Good8.18.3
06:00 am44Good8.08.2
07:00 am41Good7.37.4
08:00 am6Good1.11.1
09:00 am5Good0.90.9
10:00 am6Good1.01.0
11:00 am7Good1.31.4
12:00 pm10Good1.82.0
01:00 pm13Good2.42.8
02:00 pm16Good2.93.4
03:00 pm16Good2.93.5
04:00 pm16Good2.83.5
05:00 pm14Good2.63.2
06:00 pm12Good2.22.8
07:00 pm11Good2.02.5
08:00 pm59Moderate13.514.8
09:00 pm61Moderate14.615.7
10:00 pm63Moderate15.716.7
11:00 pm65Moderate16.817.8
12:00 am67Moderate17.918.9
01:00 am69Moderate18.919.8
02:00 am72Moderate20.421.2
03:00 am75Moderate21.822.6
04:00 am77Moderate22.823.6
05:00 am76Moderate22.723.4
06:00 am75Moderate21.922.6
07:00 am73Moderate20.821.3
08:00 am58Moderate12.612.7
09:00 am54Moderate10.510.7
10:00 am35Good6.36.3
11:00 am20Good3.63.6
12:00 pm14Good2.62.6
01:00 pm13Good2.32.4
02:00 pm13Good2.32.4
03:00 pm13Good2.42.5
04:00 pm14Good2.52.7
05:00 pm15Good2.72.9
06:00 pm16Good2.93.1
07:00 pm19Good3.43.5
08:00 pm20Good3.63.7
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