Explore measurements

When does the city get noisy?

Explore acoustic measurements across every monitored day and compare the timing of human-reviewed Obnoxious and Outrageous recordings. Digital signal levels are not calibrated dB SPL.

Average acoustic activity by hour — all monitored days

The line combines every available monitoring day, weighted by the number of measurements in each hour. Digital signal level (dBFS); not calibrated environmental sound pressure.

Awaiting published data.

Daily acoustic activity — all monitored days

Every row is a monitored day; columns show Brisbane local hours from midnight to 11 pm. Darker-to-brighter cells indicate higher recorded acoustic levels (dBFS). This includes ordinary background noise, not just human-reviewed events.

Awaiting published data.

Blank cells indicate hours without sufficient measurements.

When intrusive noise reaches us

Every published Obnoxious and Outrageous recording, summed by hour across the complete reporting period. The second line shows the Outrageous subset.

Awaiting published data.

Day and hour breakdown

The heatmap below shows the same reviewed recordings by weekday and hour, across all published dates.

ObnoxiousOutrageous

Awaiting published data.

Counts are cumulative across the monitoring period, not averages. One incident may produce multiple recordings.

Human-reviewed recordings by day of week

Obnoxious and Outrageous recordings only. These counts exclude automatic detector triggers that did not pass human review.

ObnoxiousOutrageous

Awaiting published data.

Download the published data

Both CSV files contain only human-reviewed recordings selected for publication. Neither includes private notes or audio file URLs.

Download Obnoxious and Outrageous recordings CSV — event time and classification

Download daily reviewed event counts CSV — daily Obnoxious, Outrageous and combined totals