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Air Quality History for Smithtown, United States

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

25
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

290h

PM2.5 Station

290h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 66 31–121 20.6 µg/m³ 149.0 3h 2
2026-10-20 96 14–166 39.2 µg/m³ 149.0 20h 2
2026-10-19 99 10–166 40.9 µg/m³ 149.0 20h 2
2026-10-18 95 8–166 38.6 µg/m³ 149.0 20h 2
2026-10-17 87 7–166 34.3 µg/m³ 149.0 21h 2
2026-10-16 92 8–166 36.4 µg/m³ 149.0 23h 2
2026-10-15 92 5–166 39.0 µg/m³ 149.0 22h 2
2026-10-14 117 23–166 53.1 µg/m³ 149.0 21h 1
2026-10-13 100 12–166 44.7 µg/m³ 149.0 22h 2
2026-10-12 102 2–166 44.4 µg/m³ 149.0 22h 1
2026-10-11 103 10–166 40.5 µg/m³ 149.0 18h 2
2026-10-10 111 17–166 47.6 µg/m³ 149.0 19h 2
2026-10-09 87 10–166 34.2 µg/m³ 149.0 23h 2
2026-10-08 94 14–166 37.0 µg/m³ 149.0 22h 2
2026-10-07 51 8–126 16.3 µg/m³ 149.0 14h 2
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