Air Quality in Williamsport, United States
Clear
26.2°C · 30.1% humidity
26.2°
Feels 26.2°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Williamsport's air quality — share it
AQI Forecast
34
12am
54
34
31
3am
27
27
27
6am
27
27
24
9am
24
24
25
12pm
25
25
25
3pm
27
27
27
6pm
27
27
27
9pm
27
27
Air Quality Index Trend
32h · 1 stnWilliamsport's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
30.1%
Humidity
38.5 km/h
Wind NW
1011.9 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.35 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Williamsport?
Temperature & Precipitation
PM2.5 Trend
32h · 1 stationPM2.57.35 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Williamsport?
08-03
26.2° 18.6°
14.62 mm
08-04
34.8° 15.6°
0.06 mm
08-05
34.5° 15.6°
1.81 mm
08-06
29.1° 15.9°
0.13 mm
08-07
30.9° 17.7°
0.19 mm
08-08
35.4° 17.1°
08-09
35.0° 17.5°
0.62 mm
Both models agree
Avg diff: 4.1°C
Where are air quality stations near Williamsport?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T07:25 UTC.