Air Quality Sensor

What makes our air hard to breathe? Do you know the air quality in your living environment? MakerBay has designed a low-cost IoT Air Quality Sensor, to detect PM2.5 in the air you breathe. In order to better monitor the local air quality and increase the accessibility of these public data, we invite all of you to build the’Air Quality Box. After completion of this workshop, you will bring the Air Quality Box to your home to gather air quality data and contribute the data to an open sourced air quality database.

In this workshop, you will:

  • Learn about what is citizen science, the air pollution problem in Hong Kong and how to measure air quality
  • Understand the basics of electronics, Arduino programming and how IoT works
  • Assembly and programme of an Air Quality Box detecting PM2.5
  • Monitor PM2.5 level and contribute to citizen science database

Instructables by Chun Lam:

Class Details:

  • Location: Unit H508, PMQ, No. 35 Aberdeen Street, Central (Directions)
  • Language: Cantonese/English
  • Duration: 4 hours
  • Age range: 12 years old or above


The Air Quality Box needs to connect to wifi, so please mark down the wifi name and password from your home and bring it along to the workshop, we will teach you how to connect the wifi in the coding part.

Make sure to install ThingView on the App Store on your phone before coming to the workshop.

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Ms. Angie Zhou

Education Specialist

Massachusetts Institute of Technology

Angie Zhou is an Education Specialist at MIT App Inventor. She was the founder and CEO of Dreams Come True in Shenzhen, where she developed online coding courses for kids. She also has previous curriculum development, teaching and staff training experience at First Code Academy in Hong Kong.