@airtrackapp: What exactly is NO2 and why should you care? Next up in our air quality series with our Chief Scientific Officer @airawarewill: Nitrogen Dioxide (NO2). 🚗💨 NO2 is a common air pollutant, mainly produced by road traffic, particularly diesel vehicles. While you can’t see it, exposure to high levels can irritate your airways and worsen conditions such as asthma. Have you ever checked air quality before heading out for a walk, run or commute? Let us know below 👇 And if you’d like to stay on top of what you’re breathing, try AirTrack 🌍

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Tuesday 16 June 2026 15:16:20 GMT