Sensor fault detected. 1442 of 4276 hourly readings in this range (33.7%) look damaged, PM1, PM2.5, and PM10 reporting identical values or pegged above the PMS5003 rated range of 1000 μg/m³. First flagged reading 2026-03-25 01:00, last 2026-05-26 05:00. These readings are excluded from the charts and averages below.