Free app for iPhone and iPad
My AQI Air Quality & Pollution
Is the air safe to breathe today? See the live AQI and pollutant levels from the monitoring station closest to you, or for any city.
Or convert a reading right here, free
Have a PM2.5, PM10 or ozone number? This calculator runs in your browser and turns it into the US AQI.
A look inside
What it does
Free or Premium
Free
- Live AQI and all pollutants
- Nearest station and city search
- Favorites and sharing
- With ads
Premium
- Everything in Free
- Full map with more sensors around you
- Home Screen and Lock Screen widgets
- No ads
Premium is a monthly or yearly subscription. Cancel anytime in your Apple ID settings.
Privacy
Your location is used to find the nearest monitoring station, and it is sent to the air-quality data service for that lookup. The free version shows ads from Google AdMob, and the app uses Firebase for statistics and crash reports. Premium removes the ads. Privacy policy
Questions
Is it free?
Yes. The live AQI, every pollutant, city search and favorites are free, with ads. Premium adds the full map with more sensors and the Home Screen and Lock Screen widgets, and removes the ads.
Where does the data come from?
From public air-quality monitoring stations around the world. The app shows the station closest to you and when it was last updated.
Which AQI scale does it use?
The US EPA Air Quality Index, from 0 to 500, in six colors from Good to Hazardous. Other countries publish their own indices with different thresholds.
Does it work on iPad?
Yes. The app runs on iPhone and iPad.
Is it medical advice?
No. The app helps you decide when to limit time outdoors, but it does not replace advice from a doctor.