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Air Quality History for Palo Alto, United States

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

10
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 18 2–23 4.2 µg/m³ 4.2 12h 92
2026-06-08 24 19–27 5.8 µg/m³ 3.7 24h 109
2026-06-07 28 25–30 6.6 µg/m³ 4.1 24h 109
2026-06-06 32 26–36 7.7 µg/m³ 6.8 24h 104
2026-06-05 40 35–42 9.5 µg/m³ 11.3 24h 109
2026-06-04 27 20–35 6.6 µg/m³ 5.5 24h 109
2026-06-03 31 27–35 7.4 µg/m³ 4.1 24h 108
2026-06-02 40 34–44 9.6 µg/m³ 8.2 24h 109
2026-06-01 37 30–44 8.9 µg/m³ 11.3 24h 97
2026-05-31 33 29–35 8.0 µg/m³ 8.9 24h 111
2026-05-30 24 14–31 5.7 µg/m³ 4.1 24h 110
2026-05-29 18 15–21 4.4 µg/m³ 4.2 24h 109
2026-05-28 23 15–33 5.6 µg/m³ 3.7 24h 100
2026-05-27 21 20–25 5.0 µg/m³ 3.2 24h 110
2026-05-26 19 16–28 4.5 µg/m³ 2.5 12h 110
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