About this app
Our mission is to promote air pollution awareness for citizens and provide a unified and world-wide air quality information. The project is providing transparent air quality information for more than 130 countries, covering more than 30,000 stations in 2000 major cities Recommended for sensitive people (allergies, asthma, etc), a must-have for families and great for athletes, runners, cyclists and outdoor sports activities. Plan the healthiest day with health recommendations and check the real-time global air quality map. + Maps: Explore real-time pollution indexes around the globe + Recommendations: Look at the aqi and take care of yourself when you want to go out. + Real-time air pollution country ranking: Track the best and worst countries by air quality and pollution for 100+ locations worldwide, based on live AQI concentrations. + “Sensitive Group” Air Quality Information: Relevant information and forecasts for sensitive groups, including respiratory (pulmonary) illnesses, such as asthma. + Worldwide coverage with the most extensive network of air pollution sensors: monitor China, India, Singapore, Japan, Korea, USA, Canada, Australia, Mexico, Brazil, France, Hong Kong, Thailand, Indonesia, Chile, Turkey, Germany + more - as well as cities such as Beijing, Shanghai, Seoul, Mumbai, New Delhi, Tokyo, Mexico City, Bangkok, London, Los Angeles, New York, San Francisco, Paris, Berlin, Ho Chi Minh City, Chiang Mai + more - in one place! Please read Terms of Use: https://thanhbkap.github.io/M4U-Term-And-Use/
Latest release
What’s New
Bug 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 Aug 20, 2026 · 12:39 AM Free