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Air Quality History for Los Altos, United States

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

15
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 16 12–20 3.9 µg/m³ 5.3 4h 54
2026-06-08 25 19–27 5.9 µg/m³ 3.7 24h 104
2026-06-07 28 26–30 6.6 µg/m³ 4.1 24h 103
2026-06-06 32 27–40 7.8 µg/m³ 6.8 24h 100
2026-06-05 40 36–42 9.6 µg/m³ 11.3 24h 104
2026-06-04 27 21–35 6.6 µg/m³ 5.5 24h 104
2026-06-03 32 28–35 7.5 µg/m³ 4.1 24h 104
2026-06-02 40 35–45 9.7 µg/m³ 8.2 24h 105
2026-06-01 38 25–52 9.1 µg/m³ 11.3 24h 93
2026-05-31 34 29–36 8.1 µg/m³ 8.9 24h 105
2026-05-30 23 15–30 5.5 µg/m³ 4.1 24h 106
2026-05-29 18 15–22 4.4 µg/m³ 4.2 24h 104
2026-05-28 22 3–30 5.2 µg/m³ 3.7 24h 96
2026-05-27 21 19–25 5.0 µg/m³ 3.2 24h 106
2026-05-26 21 15–28 4.9 µg/m³ 3.8 20h 106
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