Continuing the discussion from Release 3.284 (2 Sep 2020) Beta:

To recreate this bug:

- In “Edit place” set Time: 0 to 1 days.
- Turn on the NO2, SO2, CO or O3 options.
- On map swipe all the way left and all the way right and see how the data disappear at the end points.
- In “Edit place” set Time: -1 to 2 days.
- Again see that the data now disappear at the new end points, but are now showing at the times 0 days and 1 days.
- Repeat for Time: -2 to 3 days, and see that the data now disappear at the new end points, but are now showing at the times - 1 days and 2 days.
- Repeat for Time: -3 to 4 days, and see that the data now disappear at the new end points, but are now showing at the times -2 days and 3 days.