Plain-spoken field notes from the team building the clip-on air purifier for your helmet. Pollution science, rider health, helmet airflow, and what we learn shipping hardware to riders worldwide.
Latest
A motorcycle's headwind dilutes exhaust at speed but leaves the rider exposed at idle. A scooter's windscreen never clears the same way. Here's why treating 'motorcycle' and 'scooter' as one exposure category misses the physics, and...
Read article
Pontianak's IQAir Air Quality Index hit 593 in September 2026 and PM2.5 reached 761 ug/m3 days later. Why passive helmet vents and...
A loaded HEPA filter doesn't filter worse, it filters better. Here's the pressure-drop physics that actually decides when to replace a motorcycle...
Vents don't cool your head, evaporation does. A ranked, haze-safe protocol for lowering helmet temperature without inhaling more smoke.
Malaysia's air pollution index scores wildfire smoke by weight, exactly like traffic exhaust. New research links a microgram of smoke PM2.5 to...
Southeast Asia's crisis-level haze seasons used to arrive a decade apart. In 2026 it took three years. Here's what the shrinking interval...
Freeway commuting puts riders inside the near-road pollution zone every day. What the research says about exhaust, PM2.5 and ultrafines, and how...
Singapore PSI, Malaysia API and Indonesia ISPU all average the 2026 haze over 24 hours. Here is what riders actually breathe, and...
A helmet with an air filter is the road-going form of a powered air-purifying respirator - it clips to the helmet you...
Every petrol motorcycle carries a certified ISO 5011 intake filter — and it is pointed at the engine, not at you. An...
Kuala Lumpur just posted the world's 4th-worst air quality as 2.2 million riders sit gridlocked in the haze. Here's why a mask...
A helmet air filter's 95% is a reading taken at one air speed. New 2026 research measured what happens when the air...
Everything we learn about rider health, pollution, and helmet airflow goes into one product. Built by riders, for riders. Pre-order pricing closes Friday.
