Get Canairy

Live air quality for every place you care about, in plain English — with free alerts the moment the air turns.

Download on the App Store  ·  Get it on Google Play

Free to download · iPhone and Android · no credit card.

Free, with no trial

• One saved place, watched around the clock
• Live readings from the PurpleAir sensors nearest you
• A plain-English verdict, not just a number
• Push alerts when the air crosses your threshold
• Tree, grass and weed pollen — free on every plan

If you want more

• More saved places: five on Plus, ten on Pro
• Faster refreshes — hourly on Plus, every 30 minutes on Pro
• Text-message alerts, and a daily summary by text
• No ads

Prices are shown in the app. You can use Canairy indefinitely without paying.

On a computer?

The app is phone-only for now, but you don't need it to see the air. Every city we cover has a live page with the individual sensors behind its number, and the alerts are the part that needs the phone.