Low-Cost Sensing – Current Status and Opportunities
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Low-Cost Sensing – Current Status and Opportunities
Timothy S. DyeSonoma Technology, Inc.
Petaluma, California
Presented at the National Air Quality Conference
Research Triangle Park, NC
February 12, 2014
5898
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Outline2
• Current status– Who– What– Why
• Specific project examples• Concerns and opportunities• Future
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Many Efforts3
• Who– University – cutting edge research– Private sector/start-ups– Government– NGOs– DIYers– Schools
Background
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What’s Happening
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Disruptive Technology
Quality Capabilities Size Price
AQ Instrument Manufacturers• Starting with proven technology• Lowering costs• Shrinking size
Industry, Universities, NGOs• Starting with low-cost sensors• Improving quality• Designing packaging
Background
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What’s Happening in the Private Sector
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Canary
Lapka Sensordrone
EsensorsAirboxlab Libelium
SensarisAirBase
CubeSensor
Cairpol
Background
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Why This Is Happening
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• “Because they can” (low cost, easy to create)
• STEM education• Personal health info and protection• Advocacy for changing policy• Decision making• Research
Background
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Maker Faire7
Sponsors: STI HabitatMap Manhattan College NY Hall of Science
Type: EducationApproach:
• Developed AirCasting pods• Let people measure particles• Crowdsourced the data• Interviewed participants
Examples
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Maker Faire8Examples
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Air Quality Egg9
Sponsor: Public via KickStarterType: DIYApproach:
• Sought crowdsourced funding ($140k)• Developed 1200+ eggs to measure CO and
NO2• Costs about $150• Results discouraging; didn’t focus on quality
Examples
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Mobile Particle Monitoring
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Sponsor: Tim Type: EducationApproach:
• Use $5,000 PM instrument and $100 PM sensor
• Use AirCasting platform to store and log data
Examples
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Mobile Particle Monitoring
11Examples
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Mobile Particle Monitoring
12Examples
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Kids Making Sense
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Sponsor: Knight News FoundationType: EducationObjective:
• Prototype concept of Kids Making Sense Approach:
• Develop 5 PM sensors• Develop curriculum for 4-hr class• Teach high school students in Brooklyn and San
Francisco• Evaluate sensor, curriculum, and concept • Report to Knight News Foundation in June
Examples
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Potential Concerns with Low-Cost Monitoring
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• Inaccurate data used by organizations• Confused citizens• Distrust of government• Time drain on AQ agency staff• Unknown process for how data will be
used
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Potential Opportunities from Low-Cost Monitoring
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• Engage new people/advocates for clean air
• Supplement monitoring networks• Lower cost of monitoring• Outreach and education• Peer regulation (local understanding
local solutions)
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Future – How Government Can Help
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• Quality studies• EPA/ORD – sensor evaluations• EPA Air Sensor Guidebook• AirNow Sensor Evaluation Service
• Pilot studies• Demonstrating claims• Establishing value• Community group monitoring• Engaging stakeholders
• Aggregation for ingesting and quality-controlling data
• Health messaging determination