Common setup
API / backend
Always-on server
Database
Removed
Air
Sensor
Object storage
Direct upload
Same files
Browser / app
Read directly
OpenSensor
Parquet integration
Proposed contribution
OpenAQ archive
Database
Export job
CSV.gz
Partitioned by location / date
PARQUET
12:15 UTC
PM2.5
12.4
µg/m³
Temperature
23.1
°C
Humidity
48
%
Illustrative readings
Every 15 min
Saved on device