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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.

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

Air Quality Index Station

480h

PM2.5 Station

480h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-06-09 17 4–23 4.2 µg/m³ 4.0 15h 91
2026-06-08 25 19–27 5.9 µg/m³ 3.7 24h 104
2026-06-07 28 26–40 6.7 µg/m³ 4.1 24h 105
2026-06-06 33 26–43 7.8 µg/m³ 6.8 24h 100
2026-06-05 40 35–42 9.6 µg/m³ 11.3 24h 105
2026-06-04 28 21–35 6.6 µg/m³ 5.5 24h 104
2026-06-03 32 28–35 7.6 µg/m³ 4.1 24h 104
2026-06-02 41 35–47 9.8 µg/m³ 8.2 24h 106
2026-06-01 38 30–49 9.2 µg/m³ 11.3 24h 93
2026-05-31 34 29–37 8.1 µg/m³ 8.9 24h 107
2026-05-30 23 15–31 5.5 µg/m³ 4.1 24h 105
2026-05-29 18 14–22 4.4 µg/m³ 4.2 24h 104
2026-05-28 25 16–62 6.0 µg/m³ 3.7 24h 97
2026-05-27 21 20–25 5.1 µg/m³ 3.2 24h 106
2026-05-26 21 16–27 5.1 µg/m³ 3.8 24h 107
2026-05-25 18 16–23 4.4 µg/m³ 1.8 24h 106
2026-05-24 21 18–26 5.1 µg/m³ 1.4 24h 106
2026-05-23 25 23–29 6.1 µg/m³ 2.9 24h 107
2026-05-22 30 25–37 7.3 µg/m³ 4.1 24h 102
2026-05-21 41 33–47 9.7 µg/m³ 13.0 24h 107
2026-05-20 38 33–41 9.1 µg/m³ 7.2 9h 108
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