Note: This data is not a representative sample. Voluntarily contributed measurements may carry
various biases, potentially towards both better and worse CO₂ readings than typical. A journey is measured
for as long as the contributor stays on board, so it does not cover a whole line.
For aggregated comparisons see
Data Analysis (Public Transit).
Journeys
| When |
Line |
From → To |
Duration |
Avg CO₂ |
Curve |
Map
Good (<800 ppm)
Moderate (800–1400 ppm)
Unhealthy (>1400 ppm)
Lines connect the start and end stops directly; they don't follow the actual route.