About
Track your local air quality in real-time with hourly PM2.5 concentration data. Receive outdoor activity guidelines and get live notifications when air quality becomes hazardous. Explore a monitor map and view historical data.
What's New in SJVAir
4.0.5
October 14, 2026
- The app loads much less at launch: the Monitor Map loads the first time you open the map. - The app no longer re-downloads the monitor list in the background while you are on My Air. - Opening a monitor always shows its details, including inactive monitors, which used to open an empty panel. - The Monitor Map shows its loading screen right away and offers "Try again" if it fails to load. - A monitor's chart picks up new readings on its own.
MoreFAQ
What is SJVAir?
SJVAir is a free application that monitors your local air quality in real-time, providing hourly fine particle pollution (PM2.5) concentration data and outdoor activity guidelines.
Does SJVAir have ads?
No, SJVAir does not contain advertisements. It is a completely ad-free experience for users.
What devices does SJVAir support?
SJVAir is available for iPhone, iPad, and iPod devices, offering a consistent experience across Apple's mobile ecosystem.
How often is SJVAir updated?
SJVAir was last updated on September 24, 2025, indicating regular maintenance and potential feature additions or improvements by the developer.
What is the age rating for SJVAir?
SJVAir has an age rating of 4+, making it suitable for a wide range of users, including children and families concerned about air quality.
Can I view historical air quality data with SJVAir?
Yes, SJVAir allows you to view past trends and historical data for every monitor on the map. You can also download this data for your own analysis.
What is the user sentiment for SJVAir?
SJVAir has received an exceptional rating of 5.0 stars from its users, suggesting a very positive reception and high satisfaction with its features and performance.
Is SJVAir free to download and use?
Yes, SJVAir is completely free to download and use, with no in-app purchases or subscription fees required to access its air quality monitoring features.
