# Flow AQ \| Air Quality — Air Quality Forecasts & Alerts > AI-powered air quality forecasts and real-time conditions for the US and Canada. (iPhone/iPad app by Trace Air Quality Inc.) - Source: https://appshunter.io/ios/app/flow-aq-air-quality/id6756196369 (this page in markdown: same URL + `.md`) - Developer: [Trace Air Quality Inc](https://appshunter.io/developer/1859032432) - Category: Weather, Health & Fitness - Price: Free - Rating: 4.82/5 from 33 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 17.6 · 32 MB - Languages: English - Released: 2026-01-05 - Data updated: 2026-07-29 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/flow-aq-air-quality/id6756196369/reviews.md ## What is Flow AQ | Air Quality? Flow AQ – Smart Air Quality Forecasts & Insights, Designed Around Your Day Flow AQ helps you understand the air you breathe — now and days ahead — so you can plan your life with confidence. Using a unique Physics-Based AI forecasting system, Flow AQ delivers the world’s most sophisticated air quality forecasts and real-time conditions across the U.S. and Canada in a beautifully simple app. Air Quality Simplified. Key Features 4-Day Air Quality Forecasts • Plan outdoor activities ahead of time • Hour-by-hour forecasts show when air quality will worsen — and when it will improve • Advanced modeling captures wildfire smoke, dust, smog, and wintertime inversions Real-Time Air Quality Conditions • Live air quality insights powered by over 20,000 sensors • Make informed decisions when current conditions matter Personalized Air Quality Alerts • Get notified when current or forecasted air quality hazards affect your area • Stay proactive about the air you breathe and daily activities Beautifully Simple Design • You don’t need to be an expert in atmospheric science to use the most sophisticated model around, Flow AQ is easy to use • Simply view real-time conditions, see the forecast, and set up custom alerts • Powerful science, made easy to understand Powered by Physics-Based AI Flow AQ combines high-resolution atmospheric simulations with machine learning, the same class of tools used in scientific research, to deliver more accurate and reliable air quality forecasts. Flow AQ is powered by Trace Air Quality’s Air Quality Analytics (AQA) Engine. Learn more about our forecasting technology: https://www.traceaq.com/aqaenginewhitepaper Privacy & Data Use Flow AQ collects your name, email address, coarse location, app performance data, and anonymized crash reports to deliver forecasts and alerts. Full privacy policy: https://www.flowaq.com/privacy-policy Data Sources & Attributions The current air quality conditions displayed within Flow AQ are an aggregation of available sensor networks. Some observations are sourced from the U.S. EPA AirNow Data Exchange. These data are preliminary. We credit the EPA AirNow program and their partners, which may be found at the following address: https://www.airnow.gov/partners/ This layer is further powered, in part, by PurpleAir (https://map.purpleair.com/). Underlying air quality data utilized by Trace AQ / Flow AQ is sourced from PurpleAir, a network of consumer sensors. Sensors are owned and managed by consumers; therefore, PurpleAir does not guarantee data accuracy. All insights and claims are solely made by Flow AQ. Additional data is provided, in part, by AirGradient via OpenAQ (https://openaq.org/). ## Key features - 4-day air quality forecasts - Hour-by-hour predictions - Real-time air quality insights - Personalized air quality alerts - Physics-Based AI forecasting - Simple, easy-to-understand design ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/flow-aq-air-quality/id6756196369/reviews.md ### 5/5 — A great tool! *2026-03-19* Can schedule outdoor hikes, runs and activities with kids knowing what AQ will be like ### 5/5 — great weather app!! *2026-01-06* super simple and clean design, gives you all the info that you need in an efficient manner ## Frequently asked questions about Flow AQ | Air Quality ### What is Flow AQ? Flow AQ provides sophisticated air quality forecasts and real-time conditions across the U.S. and Canada. It uses a unique Physics-Based AI forecasting system to deliver insights and alerts. ### Does Flow AQ have ads? Yes, Flow AQ contains advertisements. As a free application, it is supported by ads to provide its services. ### How accurate are Flow AQ's forecasts? Flow AQ uses a unique Physics-Based AI forecasting system, combining high-resolution atmospheric simulations with machine learning. This system is designed to deliver more accurate and reliable air quality forecasts. ### What devices does Flow AQ support? Flow AQ is currently supported on iPhone devices. Information on broader platform compatibility is not yet available. ### How often is Flow AQ updated? The latest version of Flow AQ is 2.0.2, and it was last updated on March 10, 2026. This indicates a recent update, suggesting ongoing development and maintenance. ### What data does Flow AQ collect? Flow AQ collects your name, email address, coarse location, app performance data, and anonymized crash reports. This data is used to deliver forecasts and alerts, with a full privacy policy available. ### Can I set up custom alerts with Flow AQ? Yes, Flow AQ allows you to set up personalized air quality alerts. You can get notified when current or forecasted air quality hazards affect your area, helping you stay proactive. ### What is the age rating for Flow AQ? Flow AQ has an age rating of 4+. This suggests it is suitable for a wide range of users, including younger individuals, with content generally considered appropriate for children. ## Version history (last 5 releases) ### 2.2.4 — 2026-07-14 - Optimized loading times and implemented improvements to data fetching. - Fixed an issue where app would occasionally get stuck on the loading screen if left in the background for too long. - Resolved a bug where newly added locations wouldn't immediately display data unless manually refreshed. - Minor visual fixes and performance enhancements to keep everything running smoothly. ### 2.2.2 — 2026-05-04 -Hover over charts to view the dominant pollutant at any point over the next 4 days -Search results now show only locations with available data -Easily report issues from the home screen using the new “Report Issue” button -Fixed critical bugs affecting login and account creation - Improved UI with faster load times ### 2.0.2 — 2026-03-10 -Monitor air quality across multiple locations and stay informed with alerts for the primary location -To enable alerts for desired location, change your primary location from alerts page -Important bug fixes and reduced load time ### 2.0.1 — 2026-02-24 -Monitor air quality across multiple locations and stay informed for the current location -Add and save locations, swipe to delete and long-press to reorder -Important bug fixes, improved UI and reduced load time ### 2.0.0 — 2026-02-21 -New Feature: Monitor air quality across multiple locations and stay informed wherever you are -Easily manage locations with swipe to delete and long-press reordering -Enhanced alert experience for your primary location -Refined UI/UX, performance improvements, and bug fixes --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-29.*