Smogi: Air Quality Index
Check the AQI Before You Go
About
This app provides real-time air quality information, including a universal AQI, pollutant breakdown, and health advice. Plan outdoor activities and travel with confidence using its forecasts and historical data.
What's New in Smogi
3.02
October 22, 2026
Smogi has a new look. • Redesigned Home screen in the colors of the Universal Air Quality Index, in light and dark mode • New timeline: slide your finger across the last 12 hours and the next 12 to see when the air is cleanest • Days card with the air quality of past and coming days • Tap a pollutant to compare it with the WHO guideline and read its sources and health effects • Health recommendations in a simple drop-down that remembers your choice • A layout made for iPad • New Home Screen and Lock Screen widgets, and a redesigned Apple Watch app and complications • New app icon
MoreSubscriptions & In-App Purchases
PRO
PRO
FAQ
What is Smogi's AQI?
Smogi provides a universal Air Quality Index (AQI) with a clear color scale that means the same thing in every city. It also breaks down pollutants like PM2.5, PM10, ozone, nitrogen dioxide, carbon monoxide, and sulfur dioxide.
Does Smogi have ads?
Yes, Smogi contains advertisements. The app description states 'No ads, no clutter' for the general experience, but the monetization model indicates it is free with in-app purchases, which often includes ads.
How accurate is Smogi's data?
Smogi uses a global air quality model combining Copernicus data, satellite observations, ground monitoring stations, and machine learning for worldwide coverage. PRO subscribers may experience improved location accuracy.
What devices does Smogi support?
Smogi is available on iPhone, iPad, and Apple Watch. It features a Home Screen widget and Apple Watch complications for at-a-glance information.
What are the Smogi PRO features?
Smogi PRO unlocks hourly updates, a multi-day air quality forecast, and potentially improved location accuracy. These features are available through a monthly or yearly subscription.
How do I cancel my Smogi subscription?
You can manage or cancel your Smogi subscription in your App Store account settings. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period.
Is Smogi suitable for children?
Smogi is rated for ages 4 and up. It provides specific health advice for children, making it useful for parents deciding on outdoor play.
When was Smogi last updated?
Smogi was last updated on October 22, 2026, with version 3.02.
