Portland AQI History

Hourly air quality data for the past 24 hours in Portland, Victoria.

24-Hour Summary

Average AQI

Peak AQI

Best AQI

Hourly AQI Data

TimeAQICategoryPM2.5PM10
05:00 pm11Good2.03.3
06:00 pm12Good2.23.8
07:00 pm15Good2.74.7
08:00 pm18Good3.25.5
09:00 pm21Good3.76.3
10:00 pm15Good2.74.6
11:00 pm12Good2.23.9
12:00 am12Good2.13.6
01:00 am11Good2.03.6
02:00 am12Good2.13.7
03:00 am13Good2.44.2
04:00 am16Good2.84.8
05:00 am18Good3.35.7
06:00 am21Good3.76.4
07:00 am23Good4.17.0
08:00 am22Good3.96.7
09:00 am20Good3.66.1
10:00 am11Good2.03.4
11:00 am10Good1.83.0
12:00 pm9Good1.72.8
01:00 pm11Good2.03.1
02:00 pm14Good2.63.8
03:00 pm18Good3.34.6
04:00 pm21Good3.85.2
05:00 pm20Good3.64.9
06:00 pm14Good2.53.2
07:00 pm10Good1.82.2
08:00 pm9Good1.61.9
09:00 pm7Good1.21.4
10:00 pm12Good2.12.8
11:00 pm10Good1.82.5
12:00 am11Good2.03.0
01:00 am12Good2.23.5
02:00 am18Good3.25.4
03:00 am19Good3.55.8
04:00 am18Good3.35.7
05:00 am20Good3.66.1
06:00 am20Good3.66.1
07:00 am21Good3.86.5
08:00 am23Good4.27.3
09:00 am23Good4.27.2
10:00 am22Good3.96.6
11:00 am20Good3.66.1
12:00 pm23Good4.27.1
01:00 pm21Good3.86.5
02:00 pm23Good4.16.9
03:00 pm24Good4.47.7
04:00 pm32Good5.710.0
05:00 pm34Good6.110.6
06:00 pm36Good6.511.5
07:00 pm38Good6.912.2
08:00 pm41Good7.312.8
09:00 pm36Good6.411.3
10:00 pm27Good4.98.6
11:00 pm28Good5.08.8
12:00 am30Good5.49.5
01:00 am36Good6.411.3
02:00 am38Good6.811.9
03:00 am38Good6.912.2
04:00 am42Good7.613.3
05:00 am50Good9.015.8
06:00 am52Moderate9.717.0
07:00 am52Moderate9.616.8
08:00 am49Good8.815.5
09:00 am49Good8.815.5
10:00 am47Good8.414.7
11:00 am48Good8.715.1
12:00 pm49Good8.815.3
01:00 pm46Good8.214.3
02:00 pm46Good8.214.4
03:00 pm49Good8.915.7
04:00 pm48Good8.615.1
05:00 pm44Good7.913.9
06:00 pm45Good8.114.1
07:00 pm46Good8.314.4
08:00 pm44Good7.913.7
09:00 pm42Good7.513.1
10:00 pm51Moderate9.216.1
11:00 pm49Good8.815.3
12:00 am49Good8.915.5
01:00 am48Good8.715.0
02:00 am46Good8.214.2
03:00 am39Good7.011.9
04:00 am35Good6.310.5
05:00 am30Good5.48.9
06:00 am25Good4.57.4
07:00 am21Good3.86.0
08:00 am18Good3.25.1
09:00 am16Good2.84.5
10:00 am10Good1.82.7
11:00 am9Good1.62.4
12:00 pm8Good1.41.9
01:00 pm7Good1.31.7
02:00 pm6Good1.11.4
03:00 pm6Good1.01.2
04:00 pm4Good0.70.9
05:00 pm3Good0.50.6
06:00 pm4Good0.70.7
07:00 pm5Good0.90.9
08:00 pm6Good1.01.1
09:00 pm6Good1.01.0
10:00 pm7Good1.21.5
11:00 pm4Good0.81.1
12:00 am4Good0.70.9
01:00 am4Good0.70.9
02:00 am4Good0.70.9
03:00 am3Good0.60.9
04:00 am3Good0.60.8
05:00 am2Good0.40.6
06:00 am2Good0.40.5
07:00 am2Good0.30.4
08:00 am2Good0.30.3
09:00 am1Good0.20.3
10:00 am16Good2.84.9
11:00 am16Good2.95.1
12:00 pm16Good2.95.1
01:00 pm13Good2.44.1
02:00 pm10Good1.83.1
03:00 pm10Good1.83.0
04:00 pm8Good1.52.7
05:00 pm8Good1.52.5
06:00 pm8Good1.42.4
07:00 pm11Good2.03.3
08:00 pm14Good2.64.5
09:00 pm17Good3.15.4
10:00 pm14Good2.54.2
11:00 pm19Good3.56.2
12:00 am23Good4.17.4
01:00 am23Good4.27.5
02:00 am27Good4.98.7
03:00 am22Good3.97.0
04:00 am23Good4.17.4
05:00 am29Good5.39.5
06:00 am32Good5.710.0
07:00 am28Good5.08.9
08:00 am24Good4.37.7
09:00 am24Good4.37.6
10:00 am26Good4.68.1
11:00 am28Good5.19.0
12:00 pm35Good6.311.0
01:00 pm44Good7.913.6
02:00 pm49Good8.815.3
03:00 pm47Good8.414.6
04:00 pm42Good7.513.0
05:00 pm49Good8.815.1
06:00 pm40Good7.212.6
07:00 pm34Good6.210.8
08:00 pm31Good5.59.8
09:00 pm28Good5.09.0
10:00 pm19Good3.56.3
11:00 pm24Good4.47.9
12:00 am23Good4.17.4
01:00 am27Good4.88.6
02:00 am28Good5.09.1
03:00 am29Good5.29.3
04:00 am29Good5.29.2
05:00 am32Good5.810.3
06:00 am36Good6.411.4
07:00 am33Good6.010.5
08:00 am32Good5.710.2
09:00 am32Good5.710.1
10:00 am32Good5.810.3
11:00 am33Good6.010.7
12:00 pm39Good7.112.4
01:00 pm49Good8.815.4
02:00 pm54Moderate10.518.3
03:00 pm54Moderate10.818.7
04:00 pm54Moderate10.718.5
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