Flow AQ | Air Quality
Air Quality Forecasts & Alerts
Only for iPhone
Free · Designed for iPhone
iPhone
Air Quality Simplified. Flow AQ delivers cutting-edge AI forecasts and air quality insights in a beautifully simple design.
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/).
-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
The developer, Trace Air Quality, Inc, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Contact Info
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Contact Info
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Trace Air Quality Inc
- Size
- 31.7 MB
- Category
- Weather
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- Languages
- English
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- Copyright
- © 2026 Trace Air Quality Inc