Aura AQGuide
14 min read
How much does it cost to build Aura AQ?
A parts budget for 4.3-inch and 7-inch Aura AQ builds in the USA, Germany and UK, with PCBWay costs, SEN66 and SEN69C, and advice on optional gas sensors.
Aura Blog
Understand the air. Follow the build.
Source-backed air-quality guides, product progress, firmware releases and the decisions behind a local-first air platform.
Air-quality guides
Read the room with more confidence.
Practical, source-backed guides to the measurements behind Aura AQ and the actions they can support.
Aura AQGuide
11 min read
Air quality around laser cutters and 3D printers
A plywood purchase, a formaldehyde spike and a quiet PLA printer: what workshop air readings reveal about materials, extraction and the end of a job.
Aura AQGuide
16 min read
Formaldehyde indoors: what the HCHO reading means
A practical guide to indoor formaldehyde, HCHO readings, exposure time and Aura AQ sensor limits, with an update on high SFA40 readings.
Aura AQGuide
13 min read
Indoor humidity explained: why 50% RH is not the whole story
A practical guide to relative humidity, temperature and dew point: why cold surfaces matter, when dampness deserves attention, and how to read the trend.
Aura AQGuide
17 min read
Where should you place an indoor air-quality monitor?
A practical room-by-room guide to breathing height, airflow, source tests and the positions that can distort CO₂, particle, gas and climate readings.
Aura AQGuide
12 min read
Your CO₂ monitor says 1,400 ppm. What does that actually mean?
A practical guide to indoor CO₂: what ppm tells you about ventilation, why bedrooms climb overnight, where 1,000 ppm came from, and what to do next.
Aura AQGuide
15 min read
PM0.5, PM1, PM2.5, PM4 and PM10: what do they actually mean?
A practical guide to particle readings: how PM0.5, PM1, PM2.5, PM4 and PM10 differ, why count is not mass, and what to do when they rise indoors.
Aura AQGuide
17 min read
VOC and NOx indices: what is your air-quality monitor actually telling you?
A practical guide to two relative gas signals: what their learned baselines mean, why they cannot be converted to ppb, and how to respond to a change.