Application details

  • Clean Air Challenge is open to all secondary schools in Hong Kong.
  • This is a team-based competition. All applying teams should be in a group of 3 or more (unless specially requested), and with one school teacher as referee. (Each school teacher could be a referee for more than one student team)
  • Clean Air Challenge is a multi-stage campaign calling for (1) initial ideas, (2) project proposal, and (3) final submission, alongside a series of dedicated knowledge-transfer workshops and online tutorials.
    • (1) Call for "initial ideas" (optional / tentative deadline: 30 Oct 2021) - best ideas could win a place for knowledge-transfer activities and/or HKUST-student mentorship support.
    • (2) Call for "project proposals" (requested / tentative deadline: 31 Jan 2022) - professional advice will be provided to help schools sharpen the proposal ideas before finalizing project scope. [Online Application / Download PDF Form]
    • (3) Call for "final submissions" (in short video format / tentative deadline: 13 Jun 2022) - over 20 prizes will be given to acknowledge school submissions with different talents (based on judging criteria) in different formats (submission categories)
  • Campaign timelines and arrangements are susceptible to changes due to the changing covid-19 circumstances. Interested schools are invited to [Subscribe to our e-News] first to collect upcoming details.
  • Watch the Opening Ceremony & Information Day's [Event Highlight] or [Full Video Record (14:47)] to know more about Clean Air Challenge's application/competition details.



Submission Categories, Judging Criteria & Prizes

Awards Judging Criteria
Submission Categories

(Each application should pick one of the following three categories for their entry)


[Gold, Silver, Bronze Award]


[Gold, Silver, Bronze Award]

Social & Art

[Gold, Silver, Bronze Award]

Format (e.g. robot-sensor; purifier;
pollution alert system, etc.)

Format (e.g. mobile app;
web-platform; online game; etc.)
Format (e.g. documentary; 
opinion survey; drama; song, etc.)
Best Knowledge
Understanding of the issues

[1st, 2nd, 3rd place]

[1st, 2nd, 3rd place]
[1st, 2nd, 3rd place]
Best creativity
Creativity and originality

[1st, 2nd, 3rd place]

[1st, 2nd, 3rd place]
[1st, 2nd, 3rd place]
Best impact
Potential Impact / influence (15%)
[1st, 2nd, 3rd place]
[1st, 2nd, 3rd place]
[1st, 2nd, 3rd place]
best presentation
Presentation skills
(final submission and mini-video)
[1st, 2nd, 3rd place]
[1st, 2nd, 3rd place]
[1st, 2nd, 3rd place]
best quality
Quality / Technical skills (20%)
[1st, 2nd, 3rd place]
[1st, 2nd, 3rd place]
[1st, 2nd, 3rd place]



• Trophy • Certificate • Coupons• Outstanding entries catalogue • Media/Impact stories



Format + Purpose + Target Audience = Your project framework!

Do you have any submission ideas? While Clean Air Challenge is a creativity contest, you can develop your own ideas beyond imagination. However, if you need some suggestions - here you go! Please find the following framework table for your reference.

You may choose one item from each of the "Format", "Purpose", and "Audience" taps/columns to form your submission framework:

What format, medium or method would you be using?
What would be the impact of your idea?
What are the related sectors or parties?
  1. Hardware:
    E.g. Create a robotic system, Design a sensor system,
    Design a purifier, Design an experimental setup, etc.
  2. E-solution:
    E.g. Design a mobile App, Develop a web-platform,
    Design an online game, etc.
  3. Social & Art:
    E.g. Conduct an opinion survey, Write a policy paper,
    Develop a school curriculum, Design mini-script play
    or a stand-up comedy, Develop a documentary, 
    Write a song, Draw a painting, Create a photo collage, etc.
  • To improve understanding over specific topics

  • To raise public awareness

  • To inspire social campaigns

  • To facilitate knowledge trickle-down

  • To evaluate existing paradigms

  • To advocate for policy change

  • To help the community to tackle specific problems

  • ......, etc.
  • For all individuals

  • For community dwellers

  • For school management

  • For District Councilors

  • For community centers, healthcare centers, or elderly homes

  • For legislators and policy-makers

  • For the wider public

  • ... etc.