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Air Quality History for Vallejo, United States

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

11
Current AQI
Good
48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

256h · 1 station

Daily Summary

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-04-12 13 2–15 3.0 µg/m³ 1.3 12h 87
2026-04-11 11 11–12 2.7 µg/m³ — 24h 94
2026-04-10 13 12–13 3.1 µg/m³ — 24h 94
2026-04-09 17 13–19 4.0 µg/m³ — 16h 94
2026-04-08 23 13–25 5.6 µg/m³ 2.8 9h 85
2026-04-07 24 21–27 5.8 µg/m³ 1.8 24h 95
2026-04-06 26 20–32 6.3 µg/m³ — 18h 93
2026-04-04 20 15–23 4.7 µg/m³ — 14h 93
2026-04-03 18 15–21 4.4 µg/m³ — 24h 93
2026-04-02 16 5–19 3.7 µg/m³ 1.2 22h 89
2026-04-01 27 20–32 6.5 µg/m³ 6.3 23h 86
2026-03-31 33 23–38 8.0 µg/m³ 7.3 23h 86
2026-03-30 38 23–42 9.1 µg/m³ 5.7 11h 86
2026-03-29 39 29–43 9.4 µg/m³ 9.3 12h 87
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