Operating signal within 12 months from two or more independent sources.
What they make
Other Measuring and Controlling Device Manufacturing334519Pollen Sense makes the APS400 sensor, which combines optics, AI, and automated air sampling to identify airborne particles including pollen, mold, dust, and smoke in real time. The company provides sensor networks, licensed datasets, and the Pollen Wise allergy management app. The APS400 identifies particles ranging from 0.3 to 158 microns.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
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Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 2 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | JUL 2026 |
| SAM GOV | OPERATING | NOV 2025 | NOV 2025 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| GEOM | CENSUS GEOCODER | JUL 2026 |
| WEBSITE | COMPANY SITE | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


