JustAir

Cross-instrument, QA/QC-corrected air-quality time-series plus the correction metadata most networks never keep: because the platform is monitor-agnostic and ingests both research-grade regulatory instruments and low-cost sensors at the same sites, it holds paired raw-versus-corrected readings with automated error-detection flags, anomaly labels, backfill records, calibration events and timestamped field-maintenance logs. Layered on top: AI-driven pollution-source attribution labelling each exceedance as mobile, stationary or regional; community-selected monitor siting metadata (residents chose deployment locations); resident alert-engagement records from the text-alert product; and hyperlocal series for US urban industrial airsheds that are thinly covered by regulatory networks (Detroit, Dearborn, Wayne County, Grand Rapids, Kalamazoo, Orange County CA, tribal lands).

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Coverage

Universe, instruments and categories.

Industry: Environmental & Facilities ServicesApplication Software
Instruments: equities
Categories

Dataset card

Type: not stated
Format: Tabular sensor time-series (dashboard/API delivery) with structured QA/QC flag and correction-log tables; community dashboards and text-alert outputs as derived views
Volume: ~1-4e8 readings to date (~200-500 instruments across six states x sub-hourly reporting x ~6 measured channels x ~5 years of accumulation); plus the QA/QC flag, correction and maintenance-log tables, which are the higher-value, far-smaller component
Users: N/A as a registered-user count — the network is agency- and community-deployed, not self-registered. Account-relevant denominator: 100+ monitors deployed with Wayne County alone, plus deployments across Michigan (Detroit, Dearborn, Grand Rapids, Kalamazoo, Stamford) and six states in total (vendor- and press-stated)
History: 5 years
Update frequency: not stated
Growth: Active / early scaling — live named deployments across six states added progressively (Wayne County, Detroit, Dearborn, Grand Rapids, Kalamazoo, Stamford, South Coast AQMD, Eastern Band of Cherokee Indians), product surface still expanding (universal monitor ingestion, community engagement, data-and-insights hub), current branding and site refresh visible in assets
Launched: 2021 (founded and app launched in Detroit)
Delivery: not stated
Entity mapping: not stated
Sample: not stated
Point-in-time: not stated
Licence: not stated

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