Tioga County, Pennsylvania, USA Air Quality

Monitoring Station · Williamsport, United States
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
40 12am
34
34
41 3am
41
61
41 6am
41
34
34 9am
34
34
34 12pm
31
31
— 3pm
—
—
— 6pm
—
—
— 9pm
—
—
CAMS model adj +7
27
27
27
34
34
54
34
34
27
27
27
27
27
24
24

Air Quality Forecast (24h)

PM2.59.6 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

35
Tioga County, Pennsylvania, USA
0.0 km PM2.5: 8.4 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 2026-08-08T03:47 UTC.