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Air Quality History for City of Sammamish, United States

Historical PM2.5 and AQI trend from monitoring stations near City of Sammamish, United States.

56
Current AQI
Moderate Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

459h

PM2.5 Station

459h · 17 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-07-22 59 53–63 15.9 µg/m³ 10.1 4h 6
2026-07-21 49 33–62 12.2 µg/m³ 7.7 24h 2
2026-07-20 18 13–34 4.4 µg/m³ 2.7 24h 2
2026-07-19 19 13–27 4.6 µg/m³ 2.9 24h 2
2026-07-18 21 13–60 5.2 µg/m³ 2.7 24h 2
2026-07-17 21 9–52 5.1 µg/m³ 3.2 24h 2
2026-07-16 30 19–53 7.1 µg/m³ 4.7 24h 2
2026-07-15 27 14–41 6.5 µg/m³ 4.1 24h 2
2026-07-14 13 8–23 3.0 µg/m³ 1.8 24h 2
2026-07-13 10 5–14 2.3 µg/m³ 1.3 24h 2
2026-07-12 6 4–12 1.4 µg/m³ 0.3 24h 2
2026-07-11 8 4–14 2.0 µg/m³ 1.1 24h 2
2026-07-10 11 6–20 2.6 µg/m³ 1.6 24h 2
2026-07-09 15 8–25 3.7 µg/m³ 2.2 24h 2
2026-07-08 11 8–25 2.6 µg/m³ 0.8 24h 4
2026-07-07 33 17–55 7.9 µg/m³ 0.3 24h 5
2026-07-06 22 10–46 5.2 µg/m³ 1.1 13h 5
2026-07-05 33 9–95 9.4 µg/m³ 6.8 24h 2
2026-07-04 10 7–20 2.3 µg/m³ 1.3 24h 2
2026-07-03 6 4–14 1.5 µg/m³ 0.4 24h 2
2026-07-02 12 8–15 2.8 µg/m³ 1.7 10h 2
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