If you are looking for an APP to monitor city's Air Quality - iAirQuality is the best choice for you. With this app you can promptly access tracking information for 5000+ major cities over 50+ major countries especially in Asia. All common major cities are included.
The download of this application doesn't contain viruses or any kind of malware. H & Y Studio is the developer of the app which can be found in the Weather category. Google Play shows that Global Air Quality -pm2.5 pm10,wildfire AirQuality is rated 3.3 by its users.