Air-quality sensor grid — Construction
Calibrated PM2.5 and gas sensor networks with open data. Delivered for a construction client in Chennai.
- Location
- Chennai
- Year
- 2026
- Duration
- 31 weeks
- Team
- 4 engineers
- 284
- nodes
- 2.5 µg/m³
- calibrated error
- 4.6 min
- data cadence
The challenge
Leadership wanted measurable results inside one quarter, with no disruption to running operations.
What we built
We ran a two-week discovery sprint, then built and fielded the system end to end on LoRaWAN, TimescaleDB and XGBoost, with operator training and an SLA.
Delivery timeline
Phase 1
Discovery sprint and site survey
Phase 2
Prototype built and tested in the Motera lab
Phase 3
Pilot on site with before/after measurement
Phase 4
Scale-out, training and handover
Highlights
- Remote monitoring and over-the-air updates included
- Designed, built and supported from Motera, Ahmedabad
- Before-and-after measurements agreed with the client up front
- Integrated with existing PLC, ERP or GIS systems — no rip-and-replace
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