PM2.5 — The Mae Hong Son Loop Particles under 2.5 micrometres across — small enough to go past the nose and into the lungs. nanobotco.github.io/mae-hong-son-loop/term/pm25/ · 18-Sep-2026 · 47K
The hot season — The Mae Hong Son Loop March to May. The low ground bakes, the high ground is bearable, and the difference between them is two thousand vertical feet and about eight degrees. nanobotco.github.io/mae-hong-son-loop/event/hot-season/ · 18-Sep-2026 · 47K
The low sun — The Mae Hong Son Loop Late afternoon on a westward leg in the cool season puts the sun directly down the road. A dusty visor turns it into a white sheet. nanobotco.github.io/mae-hong-son-loop/hazard/low-sun/ · 18-Sep-2026 · 47K
Riding after dark — The Mae Hong Son Loop Once the sun is down the circuit has no ambient light at all outside the towns, and a rented bike's headlight is usually a single bulb of unknown age. nanobotco.github.io/mae-hong-son-loop/hazard/night-riding/ · 18-Sep-2026 · 47K
Khao Phansa and Ok Phansa — The Mae Hong Son Loop Vassa, the rains retreat. It opens and closes with festivals, and it runs across exactly the months this circuit is quietest. nanobotco.github.io/mae-hong-son-loop/event/phansa/ · 18-Sep-2026 · 47K