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Air Quality History for Tigard, United States

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

105
Current AQI
Unhealthy for sensitive groups Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

405h

PM2.5 Station

405h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 38 20–63 9.5 µg/m³ 22h 2
2026-07-20 20 12–30 4.9 µg/m³ 24h 2
2026-07-19 16 11–23 3.9 µg/m³ 24h 2
2026-07-18 14 8–23 3.4 µg/m³ 24h 2
2026-07-17 22 10–40 5.3 µg/m³ 24h 2
2026-07-16 20 10–30 4.9 µg/m³ 20h 2
2026-07-15 15 6–24 3.6 µg/m³ 24h 2
2026-07-14 10 2–18 2.5 µg/m³ 24h 2
2026-07-13 9 2–19 2.2 µg/m³ 24h 3
2026-07-12 6 2–11 1.4 µg/m³ 24h 3
2026-07-11 7 2–12 1.7 µg/m³ 24h 3
2026-07-10 11 5–18 2.6 µg/m³ 24h 3
2026-07-09 10 6–15 2.5 µg/m³ 14h 3
2026-07-08 7 3–14 1.5 µg/m³ 11h 3
2026-07-07 24 15–34 5.7 µg/m³ 8h 3
2026-07-06 20 13–30 4.7 µg/m³ 8h 4
2026-07-05 31 6–99 8.2 µg/m³ 24h 3
2026-07-04 9 3–16 2.1 µg/m³ 24h 3
2026-07-03 7 3–17 1.6 µg/m³ 24h 3
2026-07-02 9 5–17 2.1 µg/m³ 10h 4
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