About this app
All of the air quality information you need to know in Hong Kong. We provide AQHI and AQI as well as the pollutant concentration of NO2, O3, SO2, CO, PM10 and PM2.5. Also, we support notifications. Enjoying the app? Leave us feedback and a rating to let us know! You can also drop us a message at info@dllm.io.
Latest release
What’s New
Enjoying the app? Leave us feedback and a rating to let us know! You can also drop us a message at info@dllm.io. - Bugs fixes and performance improvements
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 18, 2026 · 4:40 AM Free
Screenshots
