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Air Quality History for Menlo Park, United States

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

26
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-09-05 25 24–26 5.6 µg/m³ 3.8 20h 101
2026-09-04 22 13–28 5.3 µg/m³ 3.4 24h 107
2026-09-03 22 18–26 5.3 µg/m³ 3.0 24h 107
2026-09-02 26 20–31 6.2 µg/m³ 4.5 24h 106
2026-09-01 27 20–32 6.5 µg/m³ 5.3 24h 101
2026-08-31 31 26–36 7.3 µg/m³ 5.1 24h 109
2026-08-30 33 28–35 7.8 µg/m³ 6.9 24h 108
2026-08-29 25 20–28 5.9 µg/m³ 4.1 24h 109
2026-08-28 22 19–26 5.4 µg/m³ 3.3 24h 109
2026-08-27 19 15–23 4.6 µg/m³ 1.8 24h 108
2026-08-26 20 16–26 4.9 µg/m³ 1.7 24h 108
2026-08-25 18 16–20 4.4 µg/m³ 2.0 24h 107
2026-08-24 23 18–30 5.5 µg/m³ 2.3 24h 109
2026-08-23 24 19–36 5.8 µg/m³ 2.6 24h 107
2026-08-22 22 15–30 5.2 µg/m³ 2.0 24h 108
2026-08-21 17 14–21 4.0 µg/m³ 1.0 24h 108
2026-08-20 21 13–34 4.9 µg/m³ 3.3 24h 104
2026-08-19 41 28–48 9.9 µg/m³ 10.1 24h 102
2026-08-18 30 23–40 7.3 µg/m³ 6.9 24h 97
2026-08-17 28 24–37 6.7 µg/m³ 4.0 24h 101
2026-08-16 28 27–28 6.6 µg/m³ 4.8 2h 105
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