Alternative data datasets
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Block-level air pollution measurements gathered through dense networks of local environmental sensors.
A unified open interface consolidating present-moment and archived pollutant readings from PM2.5, PM10, nitrogen dioxide and ozone sensors operated by public monitoring networks across the globe.
Water water everywhere, but not a drop to drink!
Extensive historical air-quality measurements sourced from the EPA, suited for research and longitudinal analysis.
A freely accessible weather service that merges outputs from national meteorological agencies with reanalysis datasets, supplying hourly forecasts, historical readings, air-quality measurements and future climate projections on a global scale without requiring authentication keys.