Air Quality Guides for Runners and Cyclists
Practical guides on AQI and outdoor exercise. Learn commonly used thresholds, find useful training windows, and see why route-level air quality can be more useful than city averages.
Featured Guide
The Complete Guide to AQI for Runners
Deep dive into pollutants, thresholds, and how air quality affects your running performance.
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Is It Safe to Run at This AQI?
Quick threshold lookup for every AQI level. Know when to run and when to stay indoors.
Why City AQI Is Misleading for Runners
One station, one number. Learn why air quality varies block by block along your route.
Best Time to Exercise for Air Quality
Daily and seasonal AQI patterns. Schedule runs and rides when the air is cleanest.
Air Quality for Cyclists & Commuters
Route choice matters more than timing. Find cleaner alternatives for your bike commute.
Running & Air Quality in Berlin
Tiergarten, Grunewald, Tempelhofer Feld — best and worst areas for running in Berlin.
What Pollutant Is Driving My AQI?
Ozone vs PM2.5 vs NO₂ — how to tell what’s behind the number and why it changes how runs feel.
AQI vs PM2.5 vs EU/US Scales
Convert confusing air-quality units and scales into clear training decisions.
Air Quality Masks for Running
What masks can and can’t do, how fit matters, and when to skip outdoor training.
Wildfire Smoke Playbook
Practical rules for training during smoke events: when to go indoors and how to recover.
Winter Inversions — When Morning Air Is Worst
Why cold, calm mornings can trap pollution near the ground and how to plan around it.
Route Design for Clean Air — 10 Rules
Small route tweaks that cut exposure: arterials, street canyons, parks, wind corridors, and stoplights.
Commuter Cycling: Exposure vs Dose
A simple model: concentration × breathing rate × time — and how commuting choices change the math.
After Rain: The Clean-Air Window
Rain can wash particles out — here’s what usually happens in the hours after storms.
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