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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.

12
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

335h

PM2.5 Station

335h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-05-30 14 2–20 3.5 µg/m³ 1.5 7h 90
2026-05-29 18 14–22 4.4 µg/m³ 4.2 24h 105
2026-05-28 24 16–51 5.8 µg/m³ 3.7 24h 97
2026-05-27 21 20–25 5.1 µg/m³ 3.2 24h 106
2026-05-26 21 16–28 5.0 µg/m³ 3.8 24h 107
2026-05-25 19 16–23 4.4 µg/m³ 1.8 24h 106
2026-05-24 21 18–25 5.1 µg/m³ 1.4 24h 107
2026-05-23 26 23–29 6.1 µg/m³ 2.9 24h 107
2026-05-22 31 26–53 7.5 µg/m³ 4.1 24h 103
2026-05-21 40 32–47 9.7 µg/m³ 13.0 24h 107
2026-05-20 36 26–41 8.6 µg/m³ 11.4 24h 107
2026-05-19 28 18–33 6.7 µg/m³ 13.5 24h 106
2026-05-18 21 16–51 4.9 µg/m³ 4.1 24h 106
2026-05-17 35 25–39 8.4 µg/m³ 7.6 24h 106
2026-05-16 35 30–41 8.4 µg/m³ 7.6 16h 104
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