May 24, 2012 1
Improving Air Quality Mapping by Adding NASA Satellite Data
Big Picture: Project Objectives
• Improve operational air quality maps currently in AIRNow and make them available 24 hrs a day every day
• Provide satellite data products in AIRNow-Tech• Improve tools for air quality forecasting
2
Without satellite data, contouring would not be possible in the hatched areas.
Outreach
• Evaluation of the economic and societal benefits of using satellite data
• AIRNow Stakeholder buy-in
• Other videos, papers, conferences, etc.
3
Socio-Economic Benefits Analysis
• Applied for an augmentation to the contract– Contracting with an independent firm – Strengthen our results by adding in the $ saved,
jobs created, etc. to the statistics• Literature review, detailed selection and
review of areas for study, describe changes, describe benefits and impacts
• Start in early January 2012 and continue through 2013.
4
Stakeholder Buy-in
• Plan for 2012:– Educate stakeholders
• How does the satellite measure air quality?• How are different data sources weighted? • Develop fact sheet to be distributed internally and externally
– Engage stakeholders from the ground level• Form subcommittee of ~5 stakeholders to:
– Evaluate ASDP products– Share results on monthly conference calls– Brief AIRNow Steering Committee periodically on progress
– Evaluate the accuracy and usefulness of the ASDP• Incorporate EPA and stakeholder feedback during testing and
development5
ASDP Overview
Testing
Fusion
Pre-processing
Core Sites
Test Sites
AIRNow Obs
Obs
ObsUnc
Sat
SatUnc
FusedFusedUnc
Fusion
Kriging
Pre-processing
Test Extraction
Satellite Data
Stats
6
Preliminary Results: Smoke and No Monitors (Kansas)
7
• Smoke in Nebraska (MODIS and AOD) • No Monitors• ASDP adds information (Moderate) • Next Steps: How good is this information
(scientific and socio-economic POV)
Observed Data Satellite Data
Fused Data
MODIS & AIRNow Observations
Preliminary Results: Isolated Unhealthy for Sensitive Groups
8
• High AOD (smoke?) in central Indiana• Large USG area due to interpolation• ASDP constrains the monitor influences• Next Steps: How good is this
information? (scientific and socio-economic POV)
Observed Data Satellite Data
Fused Data
MODIS & AIRNow Observations
Preliminary Results: Next Steps
• Scatter plots • Spatial statistics – How much information was added
with satellite data?• Statistical metrics – RMSE, standard error, etc.
9RMSE = root mean square error
ASDP Website
Linked to AIRNow-Tech user information (i.e., only the home page is currently accessible without logging in)
– Project and method description– Project team roles and contact information– Experimental maps– Comments
http://asdp.airnowtech.org
10
Issues, Needs, and Next Steps
• ASDP– Establish a real-time data feed– Integrate the ASDP modules into AIRNow– Determine where the algorithms will run (begin conversations
with NOAA)
• Socio-Economic Evaluation– Gather data needed and contract with firm to begin
evaluation
• Outreach– Additional videos (awaiting award from NASA)
11
Plans for Year Three - 2012
• Complete testing and evaluation• Establish a real time AOD data feed• Finalize a software specification document• Integrate the ASDP within AIRNow ops• Engage AIRNow stakeholders• Begin to gather data for the economic and
societal impacts investigation• Develop a long term operations plan
12
