1 · Welcome
9:41
Air pollution exposure demo app.

Reporter Briefing is a demo app from The Environmental Research Group at Imperial that uses high quality spatial pollution data to provide users with modelled exposure estimates for trips and stops. It was built specially for this reporter briefing session.

Today's route
Park Home Café Bus Station Office
2 · How it works
9:41
How Reporter Briefing works
📍
Tracks your route
Uses your phone’s location plus other device signals to detect journey types and stop locations.
💨
Exposure feedback
Provides modelled realtime exposure estimates for NO₂, PM₁₀, PM₂.₅ and O₃ for your journeys and stops.
Builds your exposure timeline
Reporter Briefing builds a visual timeline of your day and allows export of your data for analysis.
Today's timeline
7:527:15
🚶
Morning walk 37 min
NO₂ 22
O₃ 51
PM₁₀ 18
PM₂.₅ 9
9:057:55
Monmouth Coffee 1h 10m
NO₂ 17
O₃ 44
PM₁₀ 28
PM₂.₅ 11
9:579:43
🚇
Jubilee Line 14 min
NO₂ 61
O₃ 28
PM₁₀ 48
PM₂.₅ 26
3 · Privacy / location
9:41
Your data stays with you.

Before we ask for location access, here is exactly what Briefing does with your data on this briefing device.

🔒
Stored on your device only
All journey and exposure data lives on your phone. Never uploaded or shared with anyone.
📍
Background location
Needed to log your route and match air quality to where you actually were.
No account required
No sign-up, no email. Briefing works entirely offline and locally.
Allow “Briefing” to use your location?
Briefing uses your location to match air quality to your route during the briefing walk.
Don't Allow
Allow Always