Air monitoring system + sensors (full solution)

Please read completely and propose How would you handle this project?
We are looking for a complete solution. AIR MONITORING SYSTEM. from the collection of data to monitor and control the data online on our platform.
You will provide, your best suggestion and you will build a system, test it and if all good, you will ship the materials and after we receive the package we will finish the project.
We will pay for the equipment ourself, of course the prices should be standard from market.
You will:
1- Choose of best (highest quality and durable) sensors available in the market (not too expensive).
2- Build a sensor package that collects data
3- Collected data and transfer it through the Wifi, 4G, or RS-232, RS-485, Modbus, CAN Bus
4- GPS connected
5- Collected data will connect to a server to monitor and show the results on the platform (it should be user friendly)
6- The monitoring materials should be recordable and exit in different formats
7- Anything else the system will need will be suggested by you/your team as you are expected to be expert in this area and provide us with all the requirements.
REFERENCE is attached, and you can see a similar product that does the same as we are looking for.
Another example is https://www.easemind.hk/

If you are knowledgeable within the field, this should be an easy task for you as this types of monitoring solutions are already existing in the market and resources are available online, such as similar codes etc.

There is a time limitation in this project and we expect to receive all of the data without any copyright issues to us. We will need to also sign an NDA, therefore, you are agree to sign an NDA in the beginning of the project.

We will remove the projects that don't read the above and send us automatic bids. By biding on this project you agree with these terms. Please write us this and we will know you read our project.