Air Quality History for West Lake Sammamish, United States
Historical PM2.5 and AQI trend from monitoring stations near West Lake Sammamish, United States.
56
Current AQI
Moderate Station
Moderate Station
Air Quality Index Station
460hPM2.5 Station
460h · 17 stationsTemperature GFS model
80ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | PM10 avg | Hours | Stations |
|---|---|---|---|---|---|---|
| 2026-07-22 | 60 | 53–63 | 16.2 µg/m³ | 12.9 | 4h | 6 |
| 2026-07-21 | 50 | 34–63 | 12.3 µg/m³ | 9.5 | 24h | 3 |
| 2026-07-20 | 18 | 14–35 | 4.4 µg/m³ | 3.4 | 24h | 3 |
| 2026-07-19 | 20 | 14–31 | 4.7 µg/m³ | 3.8 | 24h | 3 |
| 2026-07-18 | 20 | 12–52 | 4.9 µg/m³ | 3.4 | 24h | 3 |
| 2026-07-17 | 21 | 9–53 | 5.2 µg/m³ | 4.3 | 24h | 3 |
| 2026-07-16 | 31 | 19–53 | 7.4 µg/m³ | 6.2 | 24h | 3 |
| 2026-07-15 | 28 | 14–42 | 6.7 µg/m³ | 5.3 | 24h | 3 |
| 2026-07-14 | 12 | 6–24 | 2.9 µg/m³ | 2.1 | 24h | 3 |
| 2026-07-13 | 8 | 4–13 | 2.0 µg/m³ | 1.6 | 24h | 3 |
| 2026-07-12 | 5 | 4–9 | 1.3 µg/m³ | 0.3 | 24h | 2 |
| 2026-07-11 | 8 | 3–13 | 1.8 µg/m³ | 1.4 | 24h | 3 |
| 2026-07-10 | 10 | 5–18 | 2.5 µg/m³ | 2.0 | 24h | 3 |
| 2026-07-09 | 16 | 8–25 | 3.7 µg/m³ | 2.9 | 24h | 3 |
| 2026-07-08 | 11 | 8–25 | 2.6 µg/m³ | 0.7 | 24h | 4 |
| 2026-07-07 | 33 | 17–55 | 7.8 µg/m³ | 0.4 | 24h | 6 |
| 2026-07-06 | 22 | 10–46 | 5.2 µg/m³ | 2.2 | 14h | 5 |
| 2026-07-05 | 33 | 8–95 | 9.4 µg/m³ | 8.3 | 24h | 3 |
| 2026-07-04 | 9 | 5–16 | 2.1 µg/m³ | 1.5 | 24h | 3 |
| 2026-07-03 | 6 | 3–13 | 1.3 µg/m³ | 0.5 | 24h | 3 |
| 2026-07-02 | 11 | 8–14 | 2.5 µg/m³ | 1.9 | 10h | 3 |