Around Don Mueang, aircraft and busy city roads can both contribute to noise. Airport reports and aircraft-noise standards describe one part of that picture. Check how close a reading is to the place you mean.
Check where, when and how the sound was measured. A station reading, complaint and model each provide different evidence. Road, aircraft and workplace noise can also use different measures. Use the linked references to understand the record before applying it to a room or street.
Geospatial noise-mitigation and modeling source for wall=noise_barrier and related barrier geometry near roads, rail lines, airports, and settlements.
Access: OpenStreetMap Overpass API and ODbL geospatial data. Updates: Current community-edited data.
Official Pollution Control Department ambient-noise monitoring surface with station codes, area type, update time, Leq 24hr, hourly Leq, Lmin, Lmax, and station detail views. Daily station data is presented as preliminary monitoring data.
Access: Public monitoring dashboard and station pages; no documented bulk public JSON API verified. Updates: Current station snapshots with hourly and daily context where stations report.
Historical daily average Leq data from Pollution Control Department noise-monitoring stations, typically published as yearly CSV files for nationwide station records.
Access: CKAN dataset with CSV download resources. Updates: Daily to yearly publication depending resource release.
Check the place, date, and coverage before using the information for a current plan.