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Deploy low-cost sensors across the neighbourhood and publish open air-quality data.
Select an established open-hardware sensor design with a public data platform.
Budget 15-30 sensors and raise funds via micro-grants or host contributions.
Sign up households/businesses across a representative grid with power and WiFi at mounting points.
Assemble and flash sensors together in soldering workshops.
Mount sensors correctly, connect to the data platform and cross-check readings.
Produce accessible analyses of hotspots and trends for residents and the municipality.
Set a maintenance rota for offline or drifting sensors.