Air Quality History for Diamond Head / Kapahulu / Saint Louis Heights, United States
Historical PM2.5 and AQI trend from monitoring stations near Diamond Head / Kapahulu / Saint Louis Heights, United States.
24
Current AQI
Good Station
Good Station
Air Quality Index Station
27hPM2.5 Station
27h · 1 stationTemperature GFS model
8ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-10-21 | 15 | 11–23 | 3.6 µg/m³ | 4h | 1 |
| 2026-10-20 | 22 | 15–34 | 5.2 µg/m³ | 12h | 1 |
| 2026-10-19 | 21 | 8–30 | 5.1 µg/m³ | 11h | 1 |