SatPM2.5

SatPM2.5 offers a robust dataset for global fine particulate matter (PM2.5) concentrations. It combines information from diverse sources including satellite observations (MODIS, VIIRS, MISR, SeaWiFS), geophysical simulations (GEOS-Chem), and ground-based monitor data. The methodology involves fusing these inputs based on their relative uncertainties, which are determined using ground-based sun photometer (AERONET) observations.

This dataset is particularly valuable for environmental health studies and atmospheric research, providing crucial data for understanding air quality trends. It is managed by sites.wustl.edu/acag and is updated on a yearly basis, ensuring the availability of recent information. Users can access documentation and tutorials on importing and plotting the data, with specific examples provided for Matlab.

SatPM2.5 is hosted on the Registry of Open Data on AWS, making it easily discoverable and accessible. The data is available in netCDF format, a common standard for scientific data. Proper citation information and contact details for support are also provided, facilitating its responsible use in research and applications.