Research

The data, honestly

Hands-on reads on air quality, pollen and the body — including experiments on real data, with the confounders accounted for and the null results left in.

I checked whether air quality slows my running. Here's the honest answer.
I pulled 12 years of my own Strava runs and matched every run against historical air-quality data to see if pollution makes me slower. The result surprised me — and the way it surprised me is the interesting part.
12 June 2026 · 7 min read

I checked whether air quality slows my running. Here's the honest answer.