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Air Quality History for Napa, United States

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

27
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

456h

PM2.5 Station

456h · 18 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-07-21 30 21–43 7.3 µg/m³ 21h 21
2026-07-20 29 20–72 7.1 µg/m³ 24h 21
2026-07-19 32 22–56 7.6 µg/m³ 24h 22
2026-07-18 31 22–42 7.5 µg/m³ 24h 23
2026-07-17 34 27–39 8.1 µg/m³ 24h 22
2026-07-16 37 26–59 9.0 µg/m³ 24h 21
2026-07-15 33 26–54 8.0 µg/m³ 24h 20
2026-07-14 30 24–38 7.1 µg/m³ 24h 20
2026-07-13 31 21–121 8.0 µg/m³ 24h 22
2026-07-12 26 18–50 6.2 µg/m³ 24h 20
2026-07-11 28 18–56 6.9 µg/m³ 24h 18
2026-07-10 35 29–45 8.3 µg/m³ 24h 21
2026-07-09 26 19–47 6.2 µg/m³ 24h 19
2026-07-08 28 23–41 6.8 µg/m³ 24h 22
2026-07-07 27 16–37 6.5 µg/m³ 24h 22
2026-07-06 23 16–61 5.6 µg/m³ 14h 19
2026-07-05 26 16–45 6.2 µg/m³ 24h 22
2026-07-04 25 20–46 6.1 µg/m³ 24h 22
2026-07-03 29 24–35 6.9 µg/m³ 24h 23
2026-07-02 37 33–54 9.0 µg/m³ 12h 22
2026-07-01 38 38–38 9.1 µg/m³ 1h 22
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