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Air Quality History for Williamsport, United States

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

31
Current AQI
Good CAMS model
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

336h

PM2.5 Station

336h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg Hours Stations
2026-08-08 26 17–35 6.3 µg/m³ 5h 2
2026-08-07 30 5–42 7.2 µg/m³ 18h 2
2026-08-06 47 10–113 13.3 µg/m³ 14h 2
2026-08-05 80 16–496 54.6 µg/m³ 11h 2
2026-08-04 39 10–91 10.7 µg/m³ 20h 2
2026-08-03 35 21–75 8.9 µg/m³ 16h 2
2026-08-02 33 17–44 7.9 µg/m³ 20h 2
2026-08-01 38 19–62 9.3 µg/m³ 23h 2
2026-07-31 37 14–74 9.4 µg/m³ 17h 2
2026-07-30 29 11–59 7.2 µg/m³ 17h 2
2026-07-29 30 13–48 7.2 µg/m³ 18h 2
2026-07-28 43 7–71 11.0 µg/m³ 19h 2
2026-07-27 47 30–73 11.9 µg/m³ 18h 2
2026-07-26 37 18–59 9.2 µg/m³ 18h 2
2026-07-25 30 19–45 7.1 µg/m³ 17h 2
2026-07-24 33 18–52 7.9 µg/m³ 15h 2
2026-07-23 31 7–70 7.9 µg/m³ 13h 2
2026-07-22 28 14–50 6.6 µg/m³ 14h 2
2026-07-21 45 4–93 12.5 µg/m³ 14h 2
2026-07-20 52 12–155 15.8 µg/m³ 17h 2
2026-07-19 75 18–111 24.1 µg/m³ 12h 2
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