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Air Quality History for San Leandro, United States

Historical PM2.5 and AQI trend from monitoring stations near San Leandro, United States.

20
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 16 12–20 3.9 µg/m³ 5.3 4h 58
2026-06-08 25 19–27 6.0 µg/m³ 3.7 24h 115
2026-06-07 28 26–40 6.7 µg/m³ 4.1 24h 114
2026-06-06 32 27–45 7.8 µg/m³ 6.8 24h 108
2026-06-05 40 36–41 9.5 µg/m³ 11.3 24h 114
2026-06-04 28 21–35 6.7 µg/m³ 5.5 24h 113
2026-06-03 31 28–35 7.4 µg/m³ 4.1 24h 113
2026-06-02 40 35–44 9.7 µg/m³ 8.2 24h 114
2026-06-01 37 24–44 8.9 µg/m³ 11.3 24h 102
2026-05-31 34 30–37 8.1 µg/m³ 8.9 24h 115
2026-05-30 24 16–30 5.7 µg/m³ 4.1 24h 115
2026-05-29 19 15–22 4.5 µg/m³ 4.2 24h 113
2026-05-28 24 15–62 5.7 µg/m³ 3.7 24h 105
2026-05-27 21 20–24 5.0 µg/m³ 3.2 24h 115
2026-05-26 22 15–28 5.1 µg/m³ 3.8 24h 115
2026-05-25 19 15–25 4.6 µg/m³ 1.8 24h 114
2026-05-24 21 17–25 5.0 µg/m³ 1.4 24h 114
2026-05-23 26 23–30 6.2 µg/m³ 2.9 24h 115
2026-05-22 31 27–36 7.3 µg/m³ 4.1 24h 112
2026-05-21 40 32–46 9.6 µg/m³ 13.0 24h 115
2026-05-20 38 33–41 9.0 µg/m³ 11.8 20h 116
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