Changelog | Pollen Sense

June 29, 2026

Operations update Particle Sense Available

Cartridge Change Tutorial

We've made changing cartridges even easier! Follow a step-by-step guide inside Particle Sense (with controls!) to make sure you follow the proper procedure.

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June 19, 2026

Operations update Portal Particle Sense Available

Sensor telemetry

Sensor owners can now see critical device telemetry, like remaining cartridge life estimate and Wi-Fi signal strength.

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April 20, 2026

New launch Portal Coming soon

AllergenKit

AllergenKit now has a public landing page while the full release is still on the way.

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March 23, 2026

Portal

Legacy Metrics No Longer Receiving New Data

As previously announced, the Legacy Metrics API and Portal Data view will no longer display new data. Historical data will continue to be available until it is all re-processed into our new Branch/Revision data format.

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March 1, 2026

Portal

Migrate to the v2 Sensor Owner API

The v1 Sensor Owner API endpoints (metrics, metrics-export, advanced-metrics) have been deprecated. Please migrate to the v2 API endpoints for continued data access.

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February 15, 2026

Portal

Introducing Branches & Revisions

You can now select different model branches and revisions when viewing sensor data, giving you more control over how particle events are classified.

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January 20, 2026

Portal

Refreshed Portal Experience

The Pollen Sense portal has been redesigned with a new sidebar navigation, improved dashboard, and a modern look and feel.

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