Air Matters

• Air Matters Premium — $4.99

Last verified 5 Aug 2026

4.6 2527 ratings · App Store

1. 5/5Essential and Amazing

   I’ve tried so many AQI (air quality index) apps. With the advent of the Canadian wildfire season, the air in the Midwest has been exceptionally awful. This app uses my location (and doesn’t put a hit on my battery) to keep me informed about the state of the air I breath. I use it multiple times a day. Being able to see WHAT is contributing to the AQI (PM2.5, O3, PM10, etc) is also useful for me. The Apple Watch complication works incredibly well! The level of detail that has gone into this app is remarkable. The home screen widgets work really well too. You can stop looking, you’ve found the right AQI app.

   PML01 · 5 Aug 2026

2. 3/5How are pollen counts measured?

   I have this app to monitor pollen counts so I have a better idea of when to avoid outdoor activities. I don’t understand the “system” this app uses for counting pollen. Today the city of Atlanta broke a 35 year pollen record with multiple sources (not counting my own nose🤪) having the count over 14,000. Yet, this app shows the count as 10.4. One week ago local sources had Atlanta’s pollen count as 72 and yet this app showed it as 8.8. The difference between 72 and 14,000 (as measured locally) tells me the pollen has increased significantly. The difference between 8.8 and 10.4 (as measured by this app) implies a much less drastic increase in pollen. You can see that this app’s method of measuring clearly does not provide the user a clear picture of how high the pollen is (especially relative to previous days). I can’t find any other source that measures pollen the same way as this app so I have to really doubt the reliability of their data. If the pollen count in this app made sense, it would be great because it does work with Apple Watch. But, given this inconsistency in methodology, I also doubt the accuracy of the AQI and other measurements.

   Eat2Live2Eat · 5 Aug 2026

3. 5/5Best air quality app for China

   Air quality data in China is often unreliable, but the numbers in this app are generally the most accurate when compared to other data sources, my personal air quality sensor, and visibility. The app also offers historical data for different locations going back years, which is super helpful to see changes over time.

   hmmallen · 5 Aug 2026

4. 5/5Excellent

   I don’t usually write a review, this app made me feel that I should share. It is really good application, not only showing your air quality, it also detect your location and show air in your area. It also have a recommendation whether it’s safe to do activity outside, open window etc, and even a forecast for the next 5 days. The control of the Philips air purifier is also very good, I can track air quality at home, control the machine getting the air ready for my arrival.

   CTUU · 5 Aug 2026

5. 5/5Life-Saver

   I’m so grateful for this app, it’s a watchdog over certain corrupt activities and it aids our family on day to day medical treatment for my children. My daughter struggles to breathe from a compromised bronchial tract from the effects of the Keystone Sanitary Landfill (KSL) and leachate running through our combined Sewer System in Scranton, PA. As the head of the neighborhood group, we have sued both the landfill, City & Mayor over the issuance of an “Amended Permit” allowing the flow of leachate despite a 2002 Court Order directing that KSL utilize a dedicated line to the stop of this criminal activity. PA DEP stands by in fear of Louis DeNaples while our residents and my child suffer. Additionally, her twin sister suffers from severe seasonal allergies and this app provides 100% accurate data that aids me on which meds to give her. We all have this on our phones, including our oldest daughter who is a student at Loyola University, Chicago. Thank you, this app is a must!

   Kara-GRNA · 5 Aug 2026

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