Resident observations

Log what your monitor shows.

A consistent record of particle readings can help residents compare observations and explain concerns.

Log an air reading How to document readings

Approved readings

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Add a reading

Enter at least one particulate reading. Zero means the monitor reported zero; leave unmeasured fields blank.

Private resident details

Visible only to authorized moderators. These fields never appear in public listings.

Your name (private)

Unit number (private)

Publish anonymously as “Anonymous resident”

Your unit number is always private. Anonymity cannot prevent someone from recognizing details in your narrative.

Reading date & time

Use the local time in the selected time zone.

Time zone

Location (public)

Monitor model (optional)

PM1 · µg/m³

Leave blank if the monitor does not report it.

PM2.5 · µg/m³

Leave blank if the monitor does not report it.

PM10 · µg/m³

Leave blank if the monitor does not report it.

Device-reported AQI (optional)

Optional index, not a concentration. We do not calculate AQI from one reading.

Averaging period / AQI method (optional)

For example: instant display, 10-minute average; U.S. AQI if known.

Purifier status

Fan / ventilation status

Notes (public, optional)

Screenshot (optional, private)

PNG or JPEG only, up to 5 MB. Remove names, units, health information, and notifications before uploading. Visible only to the moderator, never in public listings. Keep your original.

I have read the privacy and moderation policy. I confirm this is my own accurate submission and consent to publication of the public fields after review.

Remove private details from public text. This does not send a report to any agency or management.