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Air Quality History for Forest Grove, United States

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

41
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

337h

PM2.5 Station

337h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 46 24–84 12.0 µg/m³ 24h 12
2026-07-20 24 14–46 5.6 µg/m³ 24h 15
2026-07-19 29 15–65 7.4 µg/m³ 24h 16
2026-07-18 26 12–51 6.3 µg/m³ 24h 16
2026-07-17 36 17–65 9.2 µg/m³ 24h 18
2026-07-16 31 17–90 7.9 µg/m³ 24h 16
2026-07-15 20 12–34 4.8 µg/m³ 24h 17
2026-07-14 18 12–25 4.3 µg/m³ 24h 16
2026-07-13 16 9–30 3.7 µg/m³ 24h 18
2026-07-12 13 8–19 3.1 µg/m³ 24h 17
2026-07-11 13 8–22 3.1 µg/m³ 24h 17
2026-07-10 14 11–18 3.2 µg/m³ 24h 17
2026-07-09 12 10–18 3.0 µg/m³ 24h 16
2026-07-08 13 9–20 3.1 µg/m³ 24h 16
2026-07-07 20 20–20 4.9 µg/m³ 1h 16
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