Flow - Air quality sensor

3.0
218 reviews
Content rating
Everyone
10K+
Downloads
Content rating
Everyone
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About this app

!! -- You must have Flow, the personal air pollution sensor from Plume Labs, to use this app. For more information, please visit flow.plumelabs.com. -- !!

!! -- Looking for our free air quality forecasting app? Search for ‘Plume Air Report’ on the App Store or visit air.plumelabs.com. -- !!

*Escape pollution and dodge the smog!*
The Flow companion app from Plume Labs collects and analyses the data taken from your Flow’s PM2.5, PM10, NO2 and VOC sensors and gives you beautiful, easy-to-read reports, maps, and graphs.

*Ever feel trapped by air pollution?*
Air quality, AQI index, smog levels: with Flow, you can find the best clean air commute, hunt down fresh air playgrounds, eliminate chemical hotspots in your home, and that’s just the beginning.

*Did you know?*
Wind and weather, humidity and heat, atmospheric pressure, and many other factors create clean air pockets in urban environments. In fact, air pollution levels change up to 8X from street to street in the city, and even more from room to room indoors! Flow gives you the information you need to stay healthy at home or on the go.

*Stop guessing and start sensing!*
A new study from top researchers at King’s College in London shows that, with good data, you can reduce your exposure to air pollution by as much as 50% by making small changes to your routine.



***Key Features***
Track your personal pollution exposure with live data and daily reports: Flow measures real-time concentrations of PM2.5, PM10, NO2 and VOCs, as well as the AQI air quality level to give you everything you need to understand your exposure and build healthy routines.

Avoid the most polluted places: Flow tracks air pollution variations around you in real time, so you can find clean air.

Flow fits seamlessly into your daily life: Whether you're cycling, running, out in the park with the kids, or relaxing at home.
***Flow in the press***
“I hope many people living in polluted cities will end up using Flow.” —Techcrunch

What’s New
First! You got in on the ground floor with version 1. If you love your Flow and app, let us know with a review!
Updated on
Mar 8, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Location and Personal info
Data isn’t encrypted
You can request that data be deleted

Ratings and reviews

3.2
212 reviews
Eric Jain
July 16, 2020
The app works well enough for looking at data from the current day, but checking past data is difficult, if not impossible. Fortunately you can export your data and DIY. Can't fully judge the accuracy of the device itself, but VOC and PM values behave as you'd expect them to, e.g. when cooking, or using hand sanitizer... The NO2 values on the other hand seem a bit random.
6 people found this review helpful
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A Google user
March 29, 2020
I am really starting to enjoy this app more as I get used to it. I have the Flow 2 and it is really awesome to use. I love the spots feature on the maps as well as the GPS tracks. My only thing is I wish that there was a better way to view past data charts and maps etc anytime you want versus just the cards that only last a few days. I also wish there was a way to shut off GPS for short time lengths when I'm gonna be on the same place or a battery saving mode for less frequent pings.
7 people found this review helpful
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Hey
September 21, 2020
It doesn't allow you to see the map of your ride afterwards. When cycling I can't see the pollution on my route (obviously) and so the only way to get the data is download as an excel file which is not at all visual. I don't understand how it can map your wall or ride as it collects the data and can store your routes to compare pollution levels.
3 people found this review helpful
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plumelabs.apps
October 9, 2020
Thanks for this feedback! It sounds like your GPS and data issues are probably linked to challenges pairing your Flow with your phone. Please contact one of our agents using the chat function at the bottom right hand side of your screen at plumelabs.com. We would love to help you sort this out! Best, Team Plume Labs
Content rating
Everyone
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About the developer
PLUME LABS
mobile@plumelabs.com
49 RUE DE PONTHIEU 75008 PARIS France
+33 6 52 68 79 46