Most of the time I am now staying at Kathmandu University in Dhulikhel, which is around 30 km outside of Kathmandu towards the tibetan boarder along Arniko Highway. It's a nice place, surrounded by fields, hills and the Central Himalaya range.
Air quality is much better here than in Kathmandu valley, where pollution has its highest values during winter. I can easily feel it in my lungs when I go down there.