2018/5/14 CENTRA3 Meeting

1. AirBox: a Participatory
Ecosystem for PM2.5 Monitoring
Ling-Jyh Chen, Academia Sinica
Email: cclljj@iis.sinica.edu.tw

2. PM2.5: Fine Particulate Matter

3. What is the air quality
HERE NOW ?

4. Air Quality MonitoringApp.
Internet of Things Citizen Science
Maker Participation EnvironmentMethod
Open HW Open SW Open DataSpirit

5. • 5,000+
devices
• 37 countries

6. 0
1
2
3
4
5
Conventional vs IoT-based
Density
Reliability
Accuracy
Sensor
types
Operating
overhead
Affordability

7. AirBox Collaboration

8. LASS FT AirBox MAPS LASS4U 87Live
Platform MediaTek LinkIt
One
Realtek Ameba MediaTek LinkIt
Smart 7688
Realtek Ameba Realtek Ameba
T/H sensor DHT22 HTS221 PMS5003T SHT31 SHT31
PM sensor PMS3003 PMS5003 PMS5003T PMS3003 PMS3003
CO2 sensor - - - SenseAir S8 -
TVOC sensor - - SGP30 - -
Open source YES - YES - YES
SD storage - - YES - -
Connectivity WiFi WiFi WiFi/Ethernet WiFi WiFi
Open data YES YES YES YES YES
Phone app - YES - YES YES
End user makers schools academia citizens makers/citizens
Dimension (cm) 10.2 x 6.5 x 4.8 14.8 x 11.2 x 4.5 12.4 x 8.4 x 5.4 15 x 10 x 5 12 x 7 x 4.2
Price (USD) 90 110 180 140 60
AirBox Devices

9. AirBox Backend

10. AirBox Anomaly Detection
Time-Sliced Anomaly Detection
(TSAD)
Device Ranking
(DR)
Malfunction Detection
(MD)
Real-time Emission Detection
(RED)
DailyReal-time Daily
Real-time PM2.5 Measurements
indoor
emission ongoing
close to fixed emission source

11. AirBox Visualization

12. AirBox Chatbot

13. AirBox Data Forecast
Accuracy
Scalability
https://pm25next.lass-net.org

14. AirBox Portal
https://pm25.lass-net.org/

15. AirBox Education Resource
.
/ / / / . / /

16. Minimum Exposure Routing

17. AirBox Summary
2017/07: 1,187
2018/04: 2,857 (+140%)
2017/11: 1
2018/04: 2,033
2017/5/13: 2,567
2018/5/4: 5,677 (+120%)
2018/05/14: 2,1112018/05/14: 2,919

18. A plascics factory on fire in N. Kaohsiung on 2018/4/23…

19. • Hardware
• Wearable AirBox
• BLE for AirBox
• Data
• Data standard
• Analysis framework
• Platform: PRAGMA cloud
AirBox @ CENTRA 2

20. AirBox @ CENTRA 3
• Still many issues
• Chatbot (Line, WhatsApp, Telegram, …)
• Data Forecast (deep learning, weather model, …)
• Security (confidentiality, integrity, and availability)
• Hardware enhancement (NB-IoT, TVOC, …)
• Deployment
• And others …