Interesting DIY projects for Weather-Air devices. Sure there are many Brand devices out there that measure air pollution or weather conditions but prices can get high, so if you have the skills to solder then you can design a device for your own needs. There are a lot of DIY projects out there, so choose the best for you and your wallet.

1.   Easy IoT weather station with multiple sensors by Ingenerare

http://www.instructables.com/id/Esay-IoT-Weather-Station-With-Multiple-Sensors/?ALLSTEPS

Estimated cost of the project around 15$

2.    Air Pollution Detector by ESC2018

http://www.instructables.com/id/Air-Pollution-Detector/?ALLSTEPS

Estimated cost of the project ∼80$ with many gas sensors

 

3.   Air Pollution and Environmental Monitor by EricT93

http://www.instructables.com/id/Air-Pollution-and-Environmental-Monitor/?ALLSTEPS

 

 

4.   How To Smell Pollutants by liseman

http://www.instructables.com/id/How-To-Smell-Pollutants/?ALLSTEPS

 

5.   Build Your Own Particle Sensor

https://www3.epa.gov/airnow/teachers/gh_pmsensorkit_handoutandinstructions.pdf

 

6.   DIY your own air quality monitor with Arduino

http://www.dfrobot.com/index.php?route=DFblog/blog&id=88

 

7.   Air Quality Test Box by Seeed Studio

http://www.instructables.com/id/Air-Quality-Test-Box/