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.
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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 means for riders through 2031.
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Jakarta woke up the second-most-polluted major city on Earth on Independence Day. An air filter helmet lowers the dose you breathe, but...
A Zyon air-filtering helmet is a US$935 kit. India's Puros does the same job for US$56 - and claims the higher filtration...
Measured on real motorbikes in Ho Chi Minh City traffic, the best pollution masks removed 60-80% of particles, far below their rated...
Indonesia's air improved 16% in 2025. Hanoi's got worse for a sixth straight year. The Philippines jumped 28%. Southeast Asia's air quality...
A cyclist moves 23.5 litres of air a minute; a seated rider moves 11.8. That gap decides whether an air purifier for...
Ho Chi Minh City's low-emission zone opens on 1 January 2027 and bans sub-Euro-2 motorbikes from the centre. Euro 2 is a...
Bengaluru is the second-most congested city in the world, and a helmet's vents are ram-air devices that stop working at a standstill....
Kuching was Malaysia's cleanest city in IQAir's 2025 annual data. On 11 August 2026 it was the most polluted major city in...
Malaysia's forecasters warned that heat and haze would overlap all week. That breaks the one piece of advice every hot-weather helmet guide...
A helmet cooling fan and a helmet air filter solve two different variables, and only one of them is the variable that...
Zyon's filtering helmet costs €720 and ships from mid-2026. Shellios Puros costs ₹4,500 and ships only in India. But the real question...
Your home air purifier cleans the room you sleep in and does nothing for the forty minutes a day that deliver the...
Everything we learn about rider health, pollution, and helmet airflow goes into one product. Built by riders, for riders. Pre-order pricing closes Friday.
