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Air Quality History for Federal Way, United States

Historical PM2.5 and AQI trend from monitoring stations near Federal Way, United States.

25
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

475h

PM2.5 Station

475h · 9 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-10-21 22 14–38 5.3 µg/m³ 10h 10
2026-10-20 28 10–56 6.9 µg/m³ 24h 9
2026-10-19 22 9–34 5.2 µg/m³ 24h 8
2026-10-18 10 6–13 2.4 µg/m³ 24h 10
2026-10-17 15 7–29 3.6 µg/m³ 24h 10
2026-10-16 30 21–43 7.2 µg/m³ 19h 10
2026-10-15 33 4–58 8.3 µg/m³ 24h 11
2026-10-14 11 2–22 2.5 µg/m³ 24h 11
2026-10-13 16 6–31 4.0 µg/m³ 24h 11
2026-10-12 16 6–25 3.8 µg/m³ 24h 11
2026-10-11 13 6–36 3.1 µg/m³ 24h 10
2026-10-10 11 6–19 2.6 µg/m³ 24h 10
2026-10-09 16 1–38 3.7 µg/m³ 24h 10
2026-10-08 50 29–65 12.6 µg/m³ 24h 9
2026-10-07 38 13–58 9.4 µg/m³ 24h 9
2026-10-06 44 14–57 10.7 µg/m³ 24h 9
2026-10-05 49 32–63 12.5 µg/m³ 24h 9
2026-10-04 39 21–56 9.5 µg/m³ 24h 9
2026-10-03 29 7–45 6.9 µg/m³ 24h 9
2026-10-02 29 11–51 7.0 µg/m³ 24h 9
2026-10-01 33 22–39 8.0 µg/m³ 14h 9
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