Tioga County, Pennsylvania, USA Air Quality

Monitoring Station · Williamsport, United States
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
32 1am
32
39
39 4am
59
39
39 7am
32
32
32 10am
32
32
29 1pm
29
29
— 4pm
—
—
— 7pm
—
—
— 10pm
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CAMS model adj +5
27
27
34
34
54
34
34
27
27
27
27
27
24
24
24

Air Quality Forecast (24h)

PM2.58.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

31
Tioga County, Pennsylvania, USA
0.0 km PM2.5: 7.4 µg/m³
40
Tioga County, Pennsylvania, USA
0.0 km PM2.5: 9.6 µg/m³

Nearby Cities

31 Williamsport 25 Elmira 28 Back Mountain 43 Vestal 53 Ithaca 43 Binghamton 28 Wilkes-Barre 30 Scranton 32 Hazleton

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T04:48 UTC.