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Air Quality History for San Ramon, United States

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

22
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
2026-05-29 19 8–23 4.6 µg/m³ 4.3 16h 94
2026-05-28 24 15–70 5.9 µg/m³ 3.7 24h 98
2026-05-27 21 20–24 5.0 µg/m³ 3.2 24h 108
2026-05-26 21 15–28 5.1 µg/m³ 3.8 24h 109
2026-05-25 18 15–23 4.4 µg/m³ 1.8 24h 107
2026-05-24 20 17–24 4.9 µg/m³ 1.4 24h 108
2026-05-23 25 23–30 6.0 µg/m³ 2.9 24h 109
2026-05-22 30 26–42 7.3 µg/m³ 4.1 24h 105
2026-05-21 40 32–46 9.7 µg/m³ 13.0 24h 109
2026-05-20 36 25–41 8.7 µg/m³ 11.4 24h 110
2026-05-19 28 18–35 6.8 µg/m³ 13.5 24h 108
2026-05-18 19 16–38 4.6 µg/m³ 4.1 24h 107
2026-05-17 33 28–38 8.0 µg/m³ 7.6 24h 108
2026-05-16 35 29–42 8.4 µg/m³ 8.9 24h 106
2026-05-15 31 28–38 7.6 µg/m³ 8.4 24h 109
2026-05-14 26 23–29 6.3 µg/m³ 5.5 24h 109
2026-05-13 23 20–30 5.5 µg/m³ 2.4 24h 109
2026-05-12 25 21–32 5.9 µg/m³ 3.2 24h 109
2026-05-11 32 25–42 7.7 µg/m³ 5.2 24h 109
2026-05-10 26 21–30 6.2 µg/m³ 4.1 24h 108
2026-05-09 30 18–34 7.3 µg/m³ 4.8 8h 95
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