5 minute read
What is AQI (Air Quality Index)?
A plain-language guide to AQI meaning, AQI categories, pollutant breakpoints, and why one number can make outdoor air easier to interpret.
Learn
Learn about air quality
Air quality can feel invisible until a hazy morning, a smoky afternoon, or an unusually heavy run makes it noticeable. These short guides explain AQI, outdoor pollution, and air-quality measurement in the same planning language used across Air Quality Router.
5 minute read
6 minute read
Outdoor pollution and why AQI matters during walking or jogging
How breathing rate, route timing, traffic, and changing AQI can make the same outdoor routine feel different from one hour to the next.
7 minute read
How do we measure and assess air quality?
From station readings and sensor metadata to forecast fallback and concentration-to-index assessment.