Air Quality History for Mercer Island, United States
Historical PM2.5 and AQI trend from monitoring stations near Mercer Island, United States.
10
Current AQI
Good Station
Good Station
Air Quality Index Station
477hPM2.5 Station
477h · 1 stationTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-06-09 | 11 | 8–21 | 2.6 µg/m³ | 11h | 1 |
| 2026-06-08 | 9 | 8–13 | 2.2 µg/m³ | 24h | 1 |
| 2026-06-07 | 24 | 5–376 | 16.4 µg/m³ | 24h | 2 |
| 2026-06-06 | 8 | 8–8 | 2.0 µg/m³ | 24h | 2 |
| 2026-06-05 | 9 | 8–13 | 2.2 µg/m³ | 24h | 1 |
| 2026-06-04 | 8 | 8–13 | 2.1 µg/m³ | 24h | 1 |
| 2026-06-03 | 13 | 8–17 | 3.1 µg/m³ | 24h | 1 |
| 2026-06-02 | 15 | 8–21 | 3.5 µg/m³ | 24h | 1 |
| 2026-06-01 | 12 | 8–28 | 2.9 µg/m³ | 23h | 2 |
| 2026-05-31 | 11 | 8–17 | 2.6 µg/m³ | 24h | 1 |
| 2026-05-30 | 12 | 8–25 | 2.8 µg/m³ | 24h | 1 |
| 2026-05-29 | 13 | 8–21 | 3.2 µg/m³ | 24h | 1 |
| 2026-05-28 | 12 | 8–21 | 2.8 µg/m³ | 24h | 1 |
| 2026-05-27 | 9 | 8–13 | 2.1 µg/m³ | 24h | 1 |
| 2026-05-26 | 9 | 8–13 | 2.2 µg/m³ | 24h | 1 |
| 2026-05-25 | 12 | 8–21 | 2.9 µg/m³ | 24h | 1 |
| 2026-05-24 | 17 | 13–21 | 4.0 µg/m³ | 24h | 1 |
| 2026-05-23 | 13 | 8–21 | 3.1 µg/m³ | 24h | 1 |
| 2026-05-22 | 16 | 8–25 | 3.9 µg/m³ | 23h | 2 |
| 2026-05-21 | 15 | 8–17 | 3.4 µg/m³ | 24h | 1 |
| 2026-05-20 | 15 | 8–25 | 3.6 µg/m³ | 12h | 1 |