Hearing the huge change in air pollution
Throughout the festival week the air pollution levels have been slowly climbing … the air all across the town seems to be affected, rising to consistently higher levels of PM2.5. What is happening?! We’ve been listening to the pollution for weeks through June and July while we’ve made this work and the levels have never got this high before.
Listen to this street the day before the festival opened:
Now listen to the same street today
(your hearing the sonic alarms we set at what used to be the higher levels of pollution, previously these would only trigger momentarily when a car or a smoker passed you)
And this is what the air data looks like