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Air Quality History for Vallejo, United States

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

15
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 89 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-20 21 16–42 5.1 µg/m³ 5.4 22h 76
2026-10-19 23 20–28 5.5 µg/m³ 11.7 24h 86
2026-10-18 36 24–43 8.6 µg/m³ 20.3 24h 80
2026-10-17 31 26–37 7.5 µg/m³ 12.8 24h 90
2026-10-16 32 25–38 7.7 µg/m³ 12.3 24h 85
2026-10-15 28 23–36 6.7 µg/m³ 12.3 24h 93
2026-10-14 26 20–40 6.1 µg/m³ 11.2 24h 92
2026-10-13 25 18–30 5.9 µg/m³ 12.1 24h 93
2026-10-12 25 23–28 6.1 µg/m³ 10.5 24h 93
2026-10-11 28 25–32 6.7 µg/m³ 14.5 24h 93
2026-10-10 30 22–58 7.3 µg/m³ 14.3 24h 84
2026-10-09 37 31–53 8.9 µg/m³ 19.9 24h 87
2026-10-08 30 25–37 7.1 µg/m³ 11.5 24h 94
2026-10-07 27 23–35 6.4 µg/m³ 12.7 24h 90
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