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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.

68
Current AQI
Moderate CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 104 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-08-08 34 34–35 8.3 µg/m³ 11.2 4h 103
2026-08-07 34 23–44 8.1 µg/m³ 5.5 24h 104
2026-08-06 33 28–57 7.9 µg/m³ 5.1 24h 99
2026-08-05 36 32–40 8.6 µg/m³ 7.0 24h 98
2026-08-04 40 33–46 9.6 µg/m³ 7.9 24h 100
2026-08-03 45 35–51 10.8 µg/m³ 15.9 24h 95
2026-08-02 34 30–39 8.1 µg/m³ 9.9 24h 101
2026-08-01 30 25–40 7.2 µg/m³ 5.2 24h 100
2026-07-31 37 30–60 9.1 µg/m³ 7.7 24h 101
2026-07-30 30 26–32 7.2 µg/m³ 6.0 24h 101
2026-07-29 23 19–26 5.4 µg/m³ 3.1 24h 100
2026-07-28 29 24–53 6.8 µg/m³ 7.5 24h 100
2026-07-27 19 17–24 4.5 µg/m³ 1.8 24h 111
2026-07-26 18 16–24 4.4 µg/m³ 1.7 24h 111
2026-07-25 26 21–28 6.1 µg/m³ 4.3 24h 110
2026-07-24 21 8–25 5.0 µg/m³ 2.3 24h 106
2026-07-23 19 15–23 4.7 µg/m³ 2.0 24h 103
2026-07-22 17 10–48 4.2 µg/m³ 1.3 24h 100
2026-07-21 26 22–31 6.3 µg/m³ 4.9 24h 106
2026-07-20 23 17–81 5.9 µg/m³ 2.8 24h 101
2026-07-19 25 21–29 6.0 µg/m³ 1.7 17h 109
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